TH

Tatsuhiko Hayakawa

Canon: 2 patents #487 of 2,200Top 25%
Overall (1997): #22,958 of 185,788Top 15%
2
Patents 1997

Issued Patents 1997

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5697028 Developer-supplying roller having a surface-modifying powder Tetsuya Kobayashi, Hiroshi Sasame, Naoki Enomoto, Yoshiro Saito 1997-12-09
5666597 Image forming apparatus with delayed discharge by discharge means Hiroshi Sasame, Haruo Fujii, Tatsuya Kobayashi, Tetsuya Kobayashi, Naoki Enomoto +3 more 1997-09-09