Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
TK

Tetsuo Kohno

MCMinolta Co.: 27 patents #30 of 1,416Top 3%
KIKonica Minolta Photo Imaging: 5 patents #7 of 106Top 7%
MIMinolta: 4 patents #411 of 1,109Top 40%
KOKonica Minolta Opto: 2 patents #169 of 418Top 45%
Toyonaka, JP: #14 of 1,166 inventorsTop 2%
Overall (All Time): #83,469 of 4,157,543Top 3%
39 Patents All Time

Issued Patents All Time

Showing 26–39 of 39 patents

Patent #TitleCo-InventorsDate
6011648 Optical system having an optical element made of resin Hiromu Mukai, Yasushi Yamamoto, Yutaka Inoue, Kyoko Yamaguchi 2000-01-04
6002529 Zoom lens system Takashi Okada 1999-12-14
5999334 Fixed focal length lens system 1999-12-07
5999324 Optical system for focusing an object up on an image surface of a solid-state image device Takashi Okada, Hideki Nagata 1999-12-07
5963377 Taking optical system for video shooting Takashi Okada, Hideki Nagata 1999-10-05
5892626 Zoom lens system 1999-04-06
5872659 Zoom lens system 1999-02-16
5872660 Taking lens system Takashi Okada 1999-02-16
5539582 Zoom lens system Hiroyuki Matsumoto 1996-07-23
5455714 Zoom lens system 1995-10-03
5446592 Compact zoom lens system Takashi Okada, Mitsuko Date 1995-08-29
5424870 Compact zoom lens system Junji Hashimura, Takashi Okada 1995-06-13
5283693 Compact zoom lens system Takashi Okada, Mitsuko Date, Hiroyuki Matsumoto 1994-02-01
5257135 Compact zoom lens system Takashi Okada, Tetsuya Arimoto, Hiroyuki Matsumoto 1993-10-26