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1910 The pioneering spirit of founder Kotaro Uchida
Kotaro Uchida was born in 1871, the second son of renowned jujutsu master Tatsuzo Munetaka Uchida of Takuhan (now the city of Taku in Saga prefecture). This was a time when the samurai class was rapidly disappearing under the Meiji Restoration. Having experienced grinding poverty that threatened the very survival of his family, the young Uchida was determined to make something of himself as a pioneer in the new world.
In 1893, Japan was working feverishly to achieve industrial modernization and national prosperity while building up her military capacity. At 22 years of age, Uchida journeyed alone to Tokyo, where he passed the Ministry of Communications civil service examination and was assigned to the Yokohama Post Office. He was transferred to the Taipei Post Office in 1900, shortly after the end of the Sino-Japanese war, to work as a surveyor for the Taiwan Land Bureau, a job that saw him travelling the length and breadth of Taiwan. Shortly after he arrived back in Japan the Russo-Japanese war broke out. Uchida volunteered to serve in the railways field army and was dispatched to the new frontier of Manchuria. When the war ended abruptly, the newly formed field army was converted into the Southern Manchurian Railway Company. Kotaro Uchida became an employee of the Southern Manchurian Railway Company in 1907, at 36 years of age.
He departed just two years later, determined to play his part in resurrecting the Uchida family. In 1910 he founded Suitaigo (predecessor of Uchida Yoko) as a supplier of surveying engineering and drawing tools and equipment to service the expansion demand of his former employers in Manchuria.

1917 Expansion into wholesaling
In addition to supplying our own stationery brands, we have been expanding our presence as a wholesaler for business and office equipment and products imported from Europe and the United States. As part of our involvement in marketing office supplies that are central to modern business practices, we circulate a magazine that showcases novel and innovative ideas and approaches from overseas as well as the latest products and product tips from Japan and around the world. The magazine is something of a unique approach in the industry, and it helps us to build up new markets for our products and services.

1925 Hemmi Bamboo slide rule—the "engineer's friend"
Amidst growing calls in Japan for improved efficiency and a stronger focus on science and technology, the company decided to produce a modified Japanese version of the popular Western slide rule, known as the Hemmi Bamboo slide rule. Uchida Yoko played a major rule in promoting the slide rule in Japan, acting as the sole domestic distributor since before the war then sponsoring the Slide Rule Championships after the war.

1948 Revitalizing the education sector
The humble slide rule made a significant contribution to the post-war rebuilding effort. It was formally adopted into the school curriculum, and Uchida Yoko immediately set up a national network of agencies to supply slide rules to schools. However the slide rule was subsequently abandoned under new education reforms, so the company shifted its attention to microscopes and other supplies tailored to the new emphasis on science education. Uchida Yoko helped to promote science in Japan by delivering presentations on teaching materials and classroom experiments in conjunction with local Boards of Education around the country. In addition to promoting school-based education in general, Uchida Yoko played a pioneering role in the industry with respect to equipment and facilities as well as the utilization of information in the education sector.

1953 Pioneer of the trade show
Uchida Yoko produced the first Japanese-made automatic number stampers and typewriters that were marketed in the 1920s under the Toho brand. This pioneering spirit was carried on under the first president Kenmin Uchida, who launched a number of innovative products including Magic Ink in 1953, which he discovered in the United States, as well as the Kent KD drawing set from Germany, considered a premium quality product at the time. 1955 saw the release of the Taiyo Calculator, the first ever manual calculator made in Japan. Kenmin Uchida explored new avenues such as the “business show,” the first exhibition of its type in the industry.

1957 Exclusive distribution rights for the Casio compact relay computing machine
In 1957, as part of a drive to boost efficiency in industry and position Japan as a science and technology superpower, Uchida Yoko signed an agreement with Casio to become the domestic distributor of the Casio 14-A, the world’s first ever compact relay computing machine.

1962
Efficiency improvement in industry USAC, the first Japanese-made office computer
Buoyed by strong sales of the relay computing machine and determined to be part of the as-yet untapped domestic market for electronic computers, in 1962 Uchida Yoko launched a business tie-up with Unoke Denshi Kogyo, a manufacturer in Ishikawa prefecture that had just finished development of an early electronic computing machine. Shortly thereafter came the announcement of the first Japanese-made compact electronic computer, known as the USAC, followed by the IC mounter and a succession of new machines. Uchida Yoko played an important role in promoting the take-up of office computers in Japan by introducing industry innovations such as lease-plan sales and unbundling of hardware, software and maintenance services.

1963 Sleek and efficient steel System Desk
The advent of office machines and equipment generated demand for dedicated office furniture capable designed in accordance with the speed and efficiency of the modern workplace. The first steel desks were embraced by public and private sectors alike. Next to appear was the new System Desk, followed by a succession of products modeled on the Total System concept.

1968 Exclusive distribution rights for the Seiko desk calculator
In April 1967 Seiko announced the USAC 10B, the first IC-only electronic calculator in Japan. In 1968, Uchida Yoko acquired distribution rights for the Seiko S-300 desktop calculating machine in conjunction with Hattori Jewelry Store. The first scientific computing machine incorporating diode transistor logic circuits to appear in Japan, the S-300 was enthusiastically received by private-sector researchers, universities and government research agencies alike.

1970
Japan World Expo
Uchida Yoko had a presence at Japan World Expo, the first major exhibition to be held in the Asia region. The exhibit showcased the Almighty Desk, which featured a number of design innovations and provided an insight into the office space of the future. Indeed, the Uchida Yoko exhibit proved to be an accurate predictor of today’s modern office environment.

1981
ICT in the education sector
In 1981, Uchida Yoko released TES (Total Educational System), our conception of the role of computing technology in the modern classroom. This was followed in 1984 by the launch of the CAI-ACE education system, a combination of computers and other forms of education technology providing a visual and voice communication environment in five key domains: computers, linguistics, word processing, CAD and audio-visual. CAI-ACE was the first and only Japanese-produced computer-based teaching system with fully integrated hardware and software features.

这是他们公司的计算器吧 67年的 可惜逻辑混乱不能计算了