TK

Tomoaki Kobayashi

PE Pentax: 12 patents #157 of 761Top 25%
PE Pentax: 6 patents #75 of 396Top 20%
SK Showa Denko K.K.: 5 patents #278 of 1,736Top 20%
NK Nippon Kayaku: 4 patents #176 of 1,103Top 20%
SC Santoku Chemical Industries Co.: 3 patents #3 of 8Top 40%
Nissan Motor Co.: 2 patents #3,090 of 8,689Top 40%
NC Nissin Ion Equipment Co.: 1 patents #45 of 85Top 55%
DE Dexerials: 1 patents #248 of 387Top 65%
AK Asahi Kogaku Kabushiki Kaisha: 1 patents #9 of 73Top 15%
Ricoh Company: 1 patents #6,936 of 9,818Top 75%
📍 Kaminokawa, JP: #5 of 99 inventorsTop 6%
Overall (All Time): #92,131 of 4,157,543Top 3%
36
Patents All Time

Issued Patents All Time

Showing 26–36 of 36 patents

Patent #TitleCo-InventorsDate
5646790 Zoom lens barrel Shinsuke Kohmoto 1997-07-08
5636063 Zoom lens barrel Shinsuke Kohmoto 1997-06-03
5450242 Zoom lens barrel Shinsuke Kohmoto 1995-09-12
5434714 Zoom lens barrel Shinsuke Kohmoto 1995-07-18
5410432 Diaphragm mechanism of zoom lens barrel 1995-04-25
5403539 Method and apparatus for molding inflation film Toshio Taka, Takeshi Onoda, Hisashi Hatano, Terumitu Kotani 1995-04-04
5294954 Rotatably controllable lens hood and cover unit Hiroshi Nomura 1994-03-15
5233472 Method of controlling a zoom lens assembly Keisuke Haraguchi, Yukio Takaoka, Takayuki Ito 1993-08-03
5177641 Structure for holding lens in lens holding member Hiroshi Nomura, Thogi Kondo 1993-01-05
5170294 Method of controlling the zoom lens assembly Keisuke Haraguchi, Yukio Takaoka, Shinsuke Kohmoto, Takeo Kobayashi, Takayuki Ito 1992-12-08
5159372 Lens barrier Hiroshi Nomura 1992-10-27