KO

Kenji Ohshima

RK Riso Kagaku: 6 patents #86 of 551Top 20%
HS Hitachi Automotive Systems: 3 patents #507 of 1,636Top 35%
HA Hakko: 2 patents #26 of 70Top 40%
SC Seikosha Co.: 2 patents #132 of 312Top 45%
The Procter & Gamble: 2 patents #4,607 of 10,133Top 50%
TC Tokyo Gas Co.: 1 patents #144 of 412Top 35%
📍 Hitachinaka, JP: #340 of 2,447 inventorsTop 15%
Overall (All Time): #317,673 of 4,157,543Top 8%
15
Patents All Time

Issued Patents All Time

Showing 1–15 of 15 patents

Patent #TitleCo-InventorsDate
10903754 Power converter Ayumu Hatanaka, Takeshi Seki, Kazushi Takahashi 2021-01-26
9596782 Power converter with cooling board Fusanori Nishikimi 2017-03-14
9350228 Power conversion apparatus Masahiro Uetake 2016-05-24
7037298 Disposable absorbent article having a raised circumferential bank Yuka Momotani, Kieko Imai 2006-05-02
6807904 Method and apparatus for making heat-sensitive stencil and heat-sensitive stencil material Jun Nakamura 2004-10-26
6758138 Heat sensitive stencil material Jun Nakamura 2004-07-06
6755126 Apparatus for making a heat-sensitive stencil Jun Nakamura 2004-06-29
6629495 Method of and apparatus for making heat-sensitive stencil and heat-sensitive stencil material Jun Nakamura 2003-10-07
6571699 Method of thermally perforating a heat sensitive stencil Jun Nakamura 2003-06-03
6571700 Method for making a heat-sensitive stencil Jun Nakamura 2003-06-03
5730738 Absorbent article with angled band structural elastic-like film cuffs Ronald Ray McFall, John Joseph Curro, Allison Kay Hunter, Jason Matthew Orndorff, Hiroaki Shikata 1998-03-24
5590689 Method for lining the internal surface of a pipe Shigeru Toyoda, Shuichi Yagi, Masaaki Itagaki, Nobukatsu Ike 1997-01-07
5402395 Driving device for a rotary member Susumu Shinmyo, Takuo Urabe 1995-03-28
5161130 Clock with openable dial pieces Hiroyuki Sato, Nobuhiro Tanaka 1992-11-03
5089297 Method for repairing interior portions of a pipeline Motoyuki Koga, Nobukatsu Ike 1992-02-18