KY

Kazunari Yamada

HI Hitachi: 3 patents #10,712 of 28,497Top 40%
Ricoh Company: 2 patents #5,693 of 9,818Top 60%
📍 Hadano, JP: #227 of 1,025 inventorsTop 25%
Overall (All Time): #1,059,072 of 4,157,543Top 30%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
5270783 Image forming equipment having improved toner sensing Takashi Bisaiji, Kouji Hayashi, Noboru Sawayama, Takeyoshi Sekine, Takayuki Maruta +5 more 1993-12-14
5227842 Electrophotographic image forming apparatus which controls developer bias based on image irregularity Kouji Hayashi, Takashi Bisaiji, Norimitsu Kikuchi, Takeyoshi Sekine, Noboru Sawayama +4 more 1993-07-13
4866520 Video system for displaying lower resolution video signals on higher resolution video monitors Kunihiro Nomura, Tetsuo Machida, Toshio Takekoshi 1989-09-12
D295414 Computer display Kenji Yokoi, Yoshiaki Tsuchihashi, Kazunori Hashimoto, Koushiro Adachi, Kanji Midorikawa +1 more 1988-04-26
4274081 Data input apparatus Nobutaka Nomura, Hiroshi Kido 1981-06-16