AO

Akihiko Okamoto

NE Nec: 14 patents #843 of 14,502Top 6%
Ricoh Company: 13 patents #1,714 of 9,818Top 20%
Pioneer Electronic: 3 patents #611 of 1,840Top 35%
BC Bizen Hatsujo Co.: 2 patents #5 of 10Top 50%
RC Richo Company: 1 patents #3 of 57Top 6%
📍 Kawagoe, JP: #28 of 1,278 inventorsTop 3%
Overall (All Time): #103,787 of 4,157,543Top 3%
34
Patents All Time

Issued Patents All Time

Showing 26–34 of 34 patents

Patent #TitleCo-InventorsDate
5787063 Disk drive unit having improved shutter mechanism Tetsuo Kanno 1998-07-28
5557160 Field emission cathode including cylindrically shaped resistive connector and method of manufacturing Hideo Makishima 1996-09-17
5351228 Optical disk drive unit Tetsuo Kanno 1994-09-27
5301179 Optical disk drive unit with a sealing type bearing member 1994-04-05
5070494 Optical pickup device with dual-mode drive mechanism Masami Emoto, Masanobu Nishimiya 1991-12-03
4948751 Moelcular beam epitaxy for selective epitaxial growth of III - V compound semiconductor Keiichi Ohata 1990-08-14
4764917 Auto loading disk player Masanori Sugihara, Kazuo Kobayashi, Atsushi Kurosawa, Hideki Okii 1988-08-16
4700338 Automatic loading disc player Masanori Sugihara, Atsushi Kurosawa, Akira Bessho, Kouji Shimoda, Kenji Okuda +2 more 1987-10-13
4695996 Automatic loading disc player Masanori Sugihara, Atsushi Kurosawa, Kouji Shimoda, Toshiyuki Kimoto, Tomomitsu Kouno 1987-09-22