KW

Kenjiro Watanabe

Canon: 92 patents #139 of 19,416Top 1%
SO Sony: 13 patents #3,381 of 25,231Top 15%
📍 Kawachi, JP: #1 of 19 inventorsTop 6%
Overall (All Time): #12,991 of 4,157,543Top 1%
106
Patents All Time

Issued Patents All Time

Showing 101–106 of 106 patents

Patent #TitleCo-InventorsDate
4847637 Ink jet recording apparatus having a cap for maintaining a clean discharge port Junji Shimoda 1989-07-11
4635080 Liquid injection recording apparatus 1987-01-06
4633273 Information recording medium including antimony-selenium compounds Susumu Sakamoto, Junichi Akamatsu 1986-12-30
4630078 Liquid recording head 1986-12-16
4606018 Optical recording medium Mikio Sugiki 1986-08-12
4460636 Optical information record member 1984-07-17