SK

Seiji Kuwabara

Canon: 6 patents #8,497 of 19,416Top 45%
SI Seiko Instruments: 2 patents #605 of 1,437Top 45%
SC Seiko Instruments R & D Center: 1 patents #9 of 38Top 25%
📍 Tochigi, JP: #429 of 2,789 inventorsTop 20%
Overall (All Time): #537,632 of 4,157,543Top 15%
9
Patents All Time

Issued Patents All Time

Showing 1–9 of 9 patents

Patent #TitleCo-InventorsDate
12372699 Optical component and optical apparatus Shinji Fukui 2025-07-29
12326587 Optical element 2025-06-10
11796936 Light scanning apparatus and image forming apparatus Ryota Sato 2023-10-24
9127353 Film-Forming apparatus and Film-Forming method Seiken Matsumoto 2015-09-08
7573562 Reflective optical element and exposure apparatus 2009-08-11
7492510 Optical element having antireflection film, and exposure apparatus 2009-02-17
6502924 Recording head and image recording apparatus utilizing said recording head Hiroyuki Muramatsu, Tatsuru Sato, Kouji Kawaguchi, Shunichi Tanaka, Tokuya Akase 2003-01-07
6478407 Recording head and image recording apparatus utilizing said recording head Hiroyuki Muramatsu, Tatsuro Sato, Kouji Kawaguchi, Shunichi Tanaka, Tokuya Akase 2002-11-12
6116708 Recording systems and recording units employed in the recording systems Satoshi Oohama, Naoki Kawawada, Tadao Iwaki, Tatsuru Sato, Kouji Kawaguchi +1 more 2000-09-12