HK

Hiroshi Kayama

PA Panasonic: 8 patents #3,315 of 21,108Top 20%
Sumitomo Electric Industries: 2 patents #9,741 of 21,551Top 50%
EA Es Fibervisions Aps: 1 patents #7 of 19Top 40%
EC Es Fibervisions Co.: 1 patents #7 of 19Top 40%
EL Es Fibervisions Hong Kong Limited: 1 patents #7 of 19Top 40%
Overall (All Time): #422,321 of 4,157,543Top 15%
12
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
8537650 Optical read/write apparatus Kazuo Momoo 2013-09-17
8391124 Optical drive Kazuo Momoo 2013-03-05
8305854 Optical disc drive Kazuo Momoo 2012-11-06
8238213 Optical disc drive Kazuo Momoo 2012-08-07
8218413 Optical disc drive Kazuo Momoo 2012-07-10
8075994 Thermal bonding conjugate fiber with excellent bulkiness and softness, and fiber formed article using the same Kazuyuki Sakamoto, Tomoaki Suzuki 2011-12-13
7948839 Optical disk apparatus Kazuo Momoo 2011-05-24
7830761 Optical disk apparatus Hiroaki Matsumiya, Kazuo Momoo 2010-11-09
7660222 Optical disk apparatus and information recording/reproduction method Kazuo Momoo 2010-02-09
6496453 Optical pickup Junichi Asada, Kenji Nagashima, Youichi Saitoh, Seiji Nishiwaki 2002-12-17
5963523 Optical recording medium discriminating apparatus using laser beams of different wavelengths Ryoichi Imanaka, Tetsuo Saimi 1999-10-05
5568690 Drafting instrument 1996-10-29