KH

Koji Hikawa

Ricoh Company: 13 patents #1,714 of 9,818Top 20%
Fujitsu Limited: 1 patents #14,843 of 24,456Top 65%
Overall (All Time): #356,284 of 4,157,543Top 9%
14
Patents All Time

Issued Patents All Time

Showing 1–14 of 14 patents

Patent #TitleCo-InventorsDate
6717807 Cooling structure for electronic circuit unit 2004-04-06
5774232 Image recording apparatus Yasuhiro Tabata, Yoshimasa Honda, Soukichi Araki, Hiroshi Hosaka, Yuichi Deguchi +3 more 1998-06-30
5717843 Image recording apparatus Yasuhiro Tabata, Yoshimasa Honda, Soukichi Araki, Hiroshi Hosaka, Yuichi Deguchi +3 more 1998-02-10
5602651 Image recording apparatus Yasuhiro Tabata, Yoshimasa Honda, Soukichi Araki, Hiroshi Hosaka, Yuichi Deguchi +3 more 1997-02-11
D328171 Cabinet 1992-07-21
D327966 Serving cart with refrigerator 1992-07-14
D327967 Serving cart 1992-07-14
D318485 Electrostatic copying machine Yoko Nakamura, Yuji Suzuki 1991-07-23
D312653 Electrostatic copying machine Youko Nakamura, Yuji Suzuki 1990-12-04
D308694 Laser printer 1990-06-19
D307298 Portable copier 1990-04-17
D306165 Telephone set 1990-02-20
D278435 I/O Terminal for data communication 1985-04-16
D261770 Electrostatic copier 1981-11-10