KW

Kenjiro Watanabe

Canon: 2 patents #487 of 2,200Top 25%
📍 Kawachi, JP: #1 of 4 inventorsTop 25%
Overall (1997): #33,216 of 185,788Top 20%
2
Patents 1997

Issued Patents 1997

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5652608 Ink jet recording head, ink jet recording head cartridge, recording apparatus using the same and method of manufacturing the head Koji Yamakawa 1997-07-29
5608437 Ink container and ink jet recording apparatus using same Kazuo Iwata, Masanori Takenouchi, Toshihiko Ujita, Torachika Osada, Kazuhiro Nakajima +5 more 1997-03-04