HO

Hiroki Oka

SO Sony: 25 patents #1,512 of 25,231Top 6%
TL Tokyo Electron Limited: 12 patents #586 of 5,567Top 15%
Dai Nippon Printing Co.: 10 patents #209 of 2,222Top 10%
FI Fujifilm Business Innovation: 4 patents #1,029 of 1,659Top 65%
Aisin Seiki Kabushiki Kaisha: 3 patents #1,084 of 3,782Top 30%
MA Makita: 2 patents #391 of 770Top 55%
NT NTT: 1 patents #2,911 of 4,871Top 60%
V- V-Tex: 1 patents #8 of 18Top 45%
Overall (All Time): #42,389 of 4,157,543Top 2%
57
Patents All Time

Issued Patents All Time

Showing 51–57 of 57 patents

Patent #TitleCo-InventorsDate
D410935 Combined disc recorder and video camera 1999-06-15
D410431 Battery charger Osamu Sasago 1999-06-01
D359044 Combined tape player and radio Akira Okada 1995-06-06
D350753 Digital audio disc player combined with a radio tuner and a tape recorder 1994-09-20
4972095 Binary digitizer circuit for voltages developed across induction coil Nobuyoshi Nagura, Keiichi Yamamoto 1990-11-20
4876527 Vehicle speed detecting device Nobuyoshi Nagura 1989-10-24
4742988 Electrical apparatus including solenoid device and energization control circuit therefor Hideo Haneda, Mamoru Nakamura, Jun Funakawa, Takeshi Nakane 1988-05-10