KT

Kazuo Tanaka

Canon: 6 patents #18 of 392Top 5%
KS Kobe Steel: 2 patents #1 of 84Top 2%
SK Sekisui Kagaku Kogyo: 1 patents #3 of 22Top 15%
SC Sumitomo Chemical: 1 patents #72 of 256Top 30%
Overall (1982): #142 of 81,411Top 1%
10
Patents 1982

Issued Patents 1982

Showing 1–10 of 10 patents

Patent #TitleCo-InventorsDate
4364642 Zoom element focusable zoom lens Ryusho Hirose 1982-12-21
4358474 Method for electric recording Shiro Nakano, Yoshiro Naito, Shigeki Nakamura, Tosimasa Ikena 1982-11-09
4339510 Aluminum-base brazing alloy composite Masaharu Kaifu, Hideo Fujimoto, Jun Takigawa, Tomohiro Nishimura, Yagoro Hirose +1 more 1982-07-13
4338142 Melting flux composition for submerged arc welding Naoki Okuda 1982-07-06
4336983 Photographic objective stabilized against change of angular field during focusing Sadahiko Tsuji 1982-06-29
4330180 Zoom lens system having a plural number of relay lenses 1982-05-18
4318593 Zoom lens assembly with two movable focusing lens groups Sadahiko Tsuji, Noritsugu Hirata 1982-03-09
4318592 Lens system with attachment lens removably attached 1982-03-09
4315279 Color image detecting device Tetsuro Kuwayama 1982-02-09
4312964 Polyolefin resin composition Noriyuki Sekine, Shigeo Tanaka 1982-01-26