KM

Keizo Matsumura

NI Nissho: 2 patents #31 of 171Top 20%
Sumitomo Electric Industries: 1 patents #13,249 of 21,551Top 65%
📍 Oshima, JP: #237 of 1,090 inventorsTop 25%
Overall (All Time): #1,050,053 of 4,157,543Top 30%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
5961473 Holder for a blood collection needle Tsuguo Fujii, Toshihiro Kikuchi 1999-10-05
5868978 Injection molding method for thin components Shinji Kadoriku, Yoshio Maruyama, Takaaki Higashida, Hiroshi Yutani 1999-02-09
5797490 Holder for a blood collection needle Tsuguo Fujii, Toshihiro Kikuchi 1998-08-25
5538262 Ultra-high vacuum gasket and vacuum apparatus using the same 1996-07-23
D368516 Gasket for vacuum apparatus 1996-04-02