TK

Toshimitsu Kurumizawa

Sumitomo Electric Industries: 5 patents #5,365 of 21,551Top 25%
OC Osaka Gas Co.: 1 patents #252 of 689Top 40%
📍 Suita, JP: #307 of 1,253 inventorsTop 25%
Overall (All Time): #1,049,509 of 4,157,543Top 30%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
6143417 Contamination-resistant float glass Takaiki Nomura, Kazufumi Ogawa, Jun Oe, Tadashi Ohtake, Tohru Nakagawa +5 more 2000-11-07
6138389 Iron bottom surface with plated metal film Narutoshi Kanazawa, Masao Shimizu, Toshihide Nakamura, Shinichiro Kobayashi, Toru Taniguchi +4 more 2000-10-31
6138663 Cooking apparatus containing a window that is a contamination-resistant float glass Takaiki Nomura, Kazufumi Ogawa, Jun Oe, Tadashi Ohtake, Tohru Nakagawa +5 more 2000-10-31
5846279 Process for producting a contamination-resistant float glass Takaiki Nomura, Kazufumi Ogawa, Jun Oe, Tadashi Ohtake, Tohru Nakagawa +5 more 1998-12-08
4847132 Protective layer for optical information recording medium Masatoshi Takao, Kunio Kimura, Kenichi Nagata 1989-07-11