HO

Hiroshi Okuda

Mitsubishi Electric: 68 patents #64 of 25,717Top 1%
SO Sony: 7 patents #6,034 of 25,231Top 25%
Canon: 4 patents #10,118 of 19,416Top 55%
ES Espec: 4 patents #6 of 51Top 15%
NE Nec: 3 patents #4,195 of 14,502Top 30%
SH Shimadzu: 3 patents #606 of 2,007Top 35%
AD Advantest: 2 patents #465 of 1,193Top 40%
Fujitsu Limited: 2 patents #10,930 of 24,456Top 45%
MK Mitsubishi Denki K.K.: 2 patents #70 of 577Top 15%
PC Polyplastics Co.: 2 patents #103 of 292Top 40%
Sumitomo Electric Industries: 2 patents #9,741 of 21,551Top 50%
Ricoh Company: 1 patents #6,936 of 9,818Top 75%
OP Osaka Prefecture University Public: 1 patents #50 of 165Top 35%
KU Kyoto University: 1 patents #568 of 1,688Top 35%
TO Tohatsu: 1 patents #4 of 13Top 35%
TU Tohoku University: 1 patents #615 of 1,680Top 40%
TC Tokai Carbon Co.: 1 patents #38 of 112Top 35%
PL Pfu Limited: 1 patents #255 of 478Top 55%
NC Nissin Electric Co.: 1 patents #95 of 208Top 50%
Overall (All Time): #12,820 of 4,157,543Top 1%
106
Patents All Time

Issued Patents All Time

Showing 101–106 of 106 patents

Patent #TitleCo-InventorsDate
4718394 Ignition device for an internal combustion engine Yoshihisa Honjoh 1988-01-12
4644927 Engine ignition timing control device 1987-02-24
4623907 Semiconductor light-emitting device 1986-11-18
4612899 Ignition timing control apparatus Yoshihisa Honjoh 1986-09-23
4558683 Ignition system in internal combustion engine 1985-12-17
4287542 Recording and reproducing device 1981-09-01