KT

Keisuke Takada

OL Olympus: 17 patents #188 of 3,097Top 7%
TO Toshiba: 3 patents #380 of 2,688Top 15%
HT Hoya Lens Thailand: 2 patents #37 of 94Top 40%
TE Toshiba Engineering: 1 patents #11 of 49Top 25%
SE Seiko Epson: 1 patents #5,551 of 7,774Top 75%
MC Mitsubishi Gas Chemical Company: 1 patents #1,048 of 1,727Top 65%
TE Tokyo Shibaura Electric: 1 patents #96 of 337Top 30%
Overall (All Time): #150,984 of 4,157,543Top 4%
26
Patents All Time

Issued Patents All Time

Showing 25 most recent 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