KO

Kohei Ota

KO Konica: 32 patents #13 of 1,958Top 1%
KO Konica Minolta Opto: 11 patents #25 of 418Top 6%
Dai Nippon Printing Co.: 5 patents #462 of 2,222Top 25%
FU Fujifilm: 5 patents #1,507 of 4,519Top 35%
KM Konica Minolta: 2 patents #1,382 of 2,718Top 55%
Canon: 1 patents #14,899 of 19,416Top 80%
KC Konishiroku Photo Industry Co.: 1 patents #532 of 894Top 60%
KU Kyoto University: 1 patents #568 of 1,688Top 35%
TL Tokyo Electron Limited: 1 patents #3,538 of 5,567Top 65%
AU A School Corporation Kansai University: 1 patents #30 of 98Top 35%
Overall (All Time): #41,159 of 4,157,543Top 1%
58
Patents All Time

Issued Patents All Time

Showing 51–58 of 58 patents

Patent #TitleCo-InventorsDate
6411442 Objective lens for pickup and light pickup apparatus Tohru Kimura 2002-06-25
6404562 Zoom lens Minoru Yokota, Masae Sato 2002-06-11
6349083 Near field type optical disk recording reproducing apparatus, optical information recording medium recording reproducing apparatus, pickup apparatus, objective lens Toshihiko Kiriki 2002-02-19
6185050 Zoom lens having two lens groups Minoru Yokota 2001-02-06
5541692 Camera with triplet lenses 1996-07-30
5392083 Display device in view-finder Takemi Miyazaki, Koyoaki Hazama, Kazuhiro Nakanishi 1995-02-21
4828374 Albada type inverted Galileo finder Akira Ishisaka 1989-05-09
4726666 Two-group zoom lens Toshiko Shimokura 1988-02-23