OD

Osamu Doi

Sumitomo Electric Industries: 2 patents #9,741 of 21,551Top 50%
MI Minolta: 1 patents #729 of 1,109Top 70%
PC Powdertech Co.: 1 patents #38 of 66Top 60%
UN Unitika: 1 patents #257 of 620Top 45%
Overall (All Time): #917,190 of 4,157,543Top 25%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
12385532 Electromagnetic braking device Yoichi Hasebe, Tadashi Nakamura 2025-08-12
5684641 Objective lens and optical head apparatus using the objective lens Yasuhiro Tanaka, Kenji Inoue, Jun Murata, Michihiro Yamagata 1997-11-04
5634177 Apparatus for developing an electrostatic latent image with a non-magnetic toner Hironori Taguchi, Hiromitsu Shimazaki, Akihiro Tsuru, Kazuhiko Noda, Yoshihiro Gotou +1 more 1997-05-27
5204204 Carrier for developing electrostatic latent image Yuji Shintani, Etsuaki Urano, Shinobu Nakasawa, Ichiro Demizu, Miyoko Ito +6 more 1993-04-20
4365041 Resin composition comprising water-soluble polyamide and vinyl alcohol-based polymer Takashi Okamoto 1982-12-21