KY

Katsuhiko Yamaguchi

KA Kao: 2 patents #13 of 315Top 5%
OH Ohara: 2 patents #4 of 15Top 30%
HI Hitachi: 1 patents #1,533 of 3,950Top 40%
Sumitomo Electric Industries: 1 patents #1,140 of 3,352Top 35%
TO Toyota: 1 patents #219 of 710Top 35%
📍 Nisshin, JP: #1 of 8 inventorsTop 15%
Overall (2002): #5,863 of 266,432Top 3%
6
Patents 2002

Issued Patents 2002

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
6501250 Device and method for controlling input/output of secondary battery Seiji Bito, Yusai Murakami, Toshiaki Nakanishi, Kiwamu Inui, Kunio Kanamaru +2 more 2002-12-31
6497743 Fertilizer composition Masaharu Hayashi, Tadayuki Suzuki, Kazuhiko Kurita, Masatoshi Kamei 2002-12-24
6478977 Polishing method and apparatus Shigeo Moriyama, Yoshio Homma, Sunao Matsubara, Yoshihiro Ishida, Ryousei Kawa-ai 2002-11-12
6429160 High rigidity glass-ceramic substrate Kousuke Nakajima, Junko Ishioka, Naoyuki Goto, Takayuki Kishi 2002-08-06
6395368 Glass-ceramic substrate for a magnetic information storage medium Naoyuki Goto 2002-05-28
6387147 Fertilizer composition Masaharu Hayashi, Tadayuki Suzuki, Kazuhiko Kurita, Masatoshi Kamei 2002-05-14