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Taisei Kōki K.K. (大成光機㈱) was a Japanese camera maker based in Itabashi, Tokyo in the 1950s.
The company was created in May 1949 by the merge of Narimasu Kōki (成増光機) and Daiyū Kōgaku (大由光学). (The name "Taisei" 大成 was formed of the first characters of the two former company names.)
All three companies Fuji Kōgaku, Katsuma Kōgaku and Taisei Kōki used the Terionar lens name, and they have similar logos, showing a cemented doublet lens scheme, with a protuberance on top, maybe an allusion to Mount Fuji. The logo used by Taisei Kōki on the Welmy range is written TAISEI WELMY.
All the shares of the company were bought in August 1960 by Konishiroku. By the time, the company had ceased to sell cameras under its own name. In 1968, it moved from Itabashi to a new factory in the city of Tsuru (都留市, prefecture of Yamanashi). In 1972, the company name was turned into K.K. Yamanashi Konica (㈱山梨コニカ). In 1983, this was split into K.K. Konica Denshi (㈱コニカ電子, Konica Electronics) and other sub-companies. The company Konica Minolta Electronics Co., Ltd., distant descendent of Taisei Kōki, is still installed in the Tsuru factory.
35mm film cameras Edit
- Welmy 35
- Welmy 35 M-2 / Kalimar A / Westomat 35
- Welmy 35 M-3
- Welmy Wide / Star Lite
- Super Welmy 35
- Super Westomat 35
120 film cameras Edit
6×6cm folding Edit
6×6cm TLR Edit
- Welmy Flex
127 film cameras Edit
- Welmy 44 (4×4cm rangefinder)
- ↑ The address was Tōkyō-to Itabashi-ku Itabashi-chō 3–481 (東京都板橋区板橋町3の481) from 1952 to 1957 and Tōkyō-to Itabashi-ku Kumano-chō 45 (東京都板橋区板橋町3の481) in 1958 and 1959. Source: advertisements reproduced in Kokusan kamera no rekishi, pp.120 and 223.
- ↑ 2.0 2.1 2.2 2.3 Company profile of Konica Minolta Electronics, and Yazawa, p.12 of Camera Collectors' News no.247.
- ↑ Tanaka, p.44, and this page at Japan Family Camera, say that Fuji Kōgaku was split in two parts after the war: Taisei Kōki and Katsuma Kōgaku, with the latter keeping the Lyra brand name. This is not entirely accurate, though.
- ↑ Company profile of Konica Minolta Electronics and company profile of Konica Minolta Opto Products.
- ↑ Company profile of Konica Minolta Electronics.
Source / further reading Edit
- Asahi Camera (アサヒカメラ) editorial staff. Shōwa 10–40nen kōkoku ni miru kokusan kamera no rekishi (昭和10–40年広告にみる国産カメラの歴史, Japanese camera history as seen in advertisements, 1935–1965). Tokyo: Asahi Shinbunsha, 1994. ISBN 4-02-330312-7.
- Tanaka Masao (田中政雄). Nihon no niganrefu: Zenpen (日本の二眼レフ：前編, The TLRs of Japan, vol.1). Tokyo: Asahi Sonorama, 1983. ISBN 4-257-08088-4
- Yazawa Seiichirō (矢沢征一郎). "Renzu no hanashi (157) Happī" (レンズの話ハッピー, Lens story  The Happy). In Camera Collectors' News no.247 (January 1998). Nishinomiya: Camera Collectors News-sha. Pp.11–4. (On the creation and fate of Taisei Kōki. This contains the exact same information as in the official history of Konica Minolta Electronics.)