MK

Masaaki Kumamura

Canon: 7 patents #7,830 of 19,416Top 45%
SI Sumitomo Heavy Industries: 1 patents #424 of 917Top 50%
📍 Usuki, JP: #3 of 48 inventorsTop 7%
Overall (All Time): #664,991 of 4,157,543Top 20%
8
Patents All Time

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDate
6447707 Molding method of thermosetting resin and mold with unnecessary gap heating Kenichi Sakai, Susumu Shimada, Masahiro Watabe, Kentaro Niwano 2002-09-10
6223014 Developer-regulating member, development device, process cartridge, and process for producing developer-regulating member Kentaro Niwano, Susumu Shimada, Masahiro Watabe, Kenichi Sakai 2001-04-24
5217725 Electrically driven type injection molding apparatus Ryohei Inaba, Shojiro Danmoto, Mitsuo Arai, Yozo Tobo, Hirofumi Sugawara +1 more 1993-06-08
5143736 Nozzle touch device in an injection molding apparatus Ryohei Inaba, Shojiro Danmoto, Mitsuo Arai 1992-09-01
5110522 Electrically driven type injection molding method Ryohei Inaba, Shojiro Danmoto, Mitsuo Arai, Yozo Tobo, Hirofumi Sugawara +1 more 1992-05-05
5102587 Injection mold using screw thrust control Ryohei Inaba, Yozo Tobo, Hirofumi Sugawara, Tadanobu Miyazaki 1992-04-07
5092753 Electric injection molding apparatus Ryohei Inaba, Shojiro Danmoto, Mitsuo Arai, Yozo Tobo, Tadanobu Miyazaki 1992-03-03
4555228 Apparatus for automatically exchanging die for injection molding Naritoshi Nishiike, Takashi Nishimaki, Yasushi Miura 1985-11-26