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USPTO Patent Rankings Data through Dec 31, 2025
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Keisuke Takada — 26 Patents

OLOlympus: 17 patents #188 of 3,097Top 7%
TOToshiba: 3 patents #380 of 2,688Top 15%
HTHoya Lens Thailand: 2 patents #37 of 94Top 40%
TEToshiba Engineering: 1 patents #11 of 49Top 25%
SESeiko Epson: 1 patents #5,551 of 7,774Top 75%
MCMitsubishi Gas Chemical Company: 1 patents #1,048 of 1,727Top 65%
TETokyo Shibaura Electric: 1 patents #96 of 337Top 30%
Tokyo, JP: #5,425 of 90,295 inventorsTop 7%
Overall (All Time): #150,017 of 4,157,543Top 4%
26 Patents All Time
Keisuke Takada has been granted 26 US patents while listed as an inventor at Olympus. The first was granted in 1980 and the most recent in August 2025. Keisuke Takada ranks #150,017 of 4,157,543 US inventors in our database (top 3.6%). Patent records list Keisuke Takada in Tokyo, JP.

Issued Patents All Time

Showing 1–25 of 26 patents

Patent #TitleCo-InventorsDate
12384124 Method for producing polarizing lens, polarizing film and polarizing lens Aoi MATSUE, Teruo Yamashita, Tsuyoshi Watanabe 2025-08-12
12023882 Method for producing polarizing lens, polarizing film and polarizing lens Aoi MATSUE, Teruo Yamashita, Tsuyoshi Watanabe 2024-07-02
11399708 Endoscope illumination unit and endoscope Hiromasa Okano, Kazuki Honda 2022-08-02
11317784 Endoscope Hiromasa Okano, Kazuki Honda 2022-05-03
10809505 Zoom lens and image pickup apparatus using the same — 2020-10-20
10642005 Image pickup apparatus and optical apparatus using the same Yoshihiro Uchida 2020-05-05
10634884 Image pickup apparatus and optical apparatus using the same Yoshihiro Uchida 2020-04-28
10634883 Image pickup apparatus and optical apparatus using the same Yoshihiro Uchida 2020-04-28
10488634 Image pickup apparatus and optical apparatus using the same Yoshihiro Uchida 2019-11-26
10416412 Zoom image pickup apparatus — 2019-09-17
10338342 Zoom image pickup apparatus — 2019-07-02
10295787 Image pickup apparatus Takahiro Amanai, Kyoko Iijima 2019-05-21
10191260 Zoom image pickup apparatus — 2019-01-29
10185131 Zoom lens and lens barrel and image pickup apparatus using the same Takashi Fujikura, Keisuke Ichikawa 2019-01-22
9902851 Resin composition, prepreg, laminate, and printed wiring board Hiroshi Takahashi, Tomo Chiba, Nobuyoshi Ohnishi, Katsuya Tomizawa, Eisuke Shiga +1 more 2018-02-27
9823452 Zoom lens and image pickup apparatus using the same Takashi Fujikura 2017-11-21
9739997 Objective lens and observation apparatus having the same — 2017-08-22
9588324 Zoom lens and image pickup apparatus using the same Takashi Fujikura 2017-03-07
9557542 Zoom lens and image pickup apparatus using the same — 2017-01-31
9019621 Objective optical system and observation apparatus provided with the same Keisuke Ichikawa 2015-04-28
7250190 Application method, applicator, optical member, and optical device Kazuaki Sakurada 2007-07-31
6110123 Region-of-interest setting apparatus for respiration monitoring and a respiration monitoring system Ken Ishihara, Yoshio Miyake, Hiroaki Nakai, Mutsumi Watanabe 2000-08-29
4823254 Digital controller display Masamichi Mizutani 1989-04-18
4533990 Computer process control system Hiroo Okuhara 1985-08-06
4480303 Digital controller of analog systems containing isolation circuitry and error detection circuitry Hiroo Okuhara 1984-10-30

Nearby-Ranked Inventors

Eric Bruno26
Kira Bulazel Roberts26
Jean-Michel Renders26
Mariola FOTIN-MLECZEK26
Daisuke NODA26
ROBERT JACOB PET26
Van S. Chandler26
Mark S. Fredrickson26
Ming Li26