HK

Hideaki Koyama

SC Sanyo Electric Co.: 3 patents #1,910 of 6,347Top 35%
HI Hitachi: 2 patents #13,388 of 28,497Top 50%
Dai Nippon Printing Co.: 1 patents #1,392 of 2,222Top 65%
RE Renesas Electronics: 1 patents #2,739 of 4,529Top 65%
RO Roland: 1 patents #161 of 292Top 60%
NE Nec Electronics: 1 patents #715 of 1,789Top 40%
NE Nec: 1 patents #7,889 of 14,502Top 55%
Overall (All Time): #554,107 of 4,157,543Top 15%
9
Patents All Time

Issued Patents All Time

Showing 1–9 of 9 patents

Patent #TitleCo-InventorsDate
11810541 Electronic musical instrument, power control device for electronic musical instrument, and power control method Takeshi Mitsuhashi 2023-11-07
8742962 Semiconductor device and sensor system Akihide Murakami 2014-06-03
7728545 Equipment with a built-in fuel cell Akihiko Kanouda, Mutsumi Kikuchi, Eisaku Fujita, Yasuaki Norimatsu 2010-06-01
7626366 Power supply circuit capable of reducing the number of external components Yasushi Sato 2009-12-01
7626353 Mobile type information terminal and self diagnosis method and operation method thereof Akihiko Kanouda, Mutsumi Kikuchi, Yasuaki Norimatsu, Junichi Kimura, Eisaku Fujita +4 more 2009-12-01
6246056 Earth sensor 2001-06-12
4394557 Electronic controlled heat cooking apparatus Jin Tachihara 1983-07-19
4367387 Electronic controlled heat cooking apparatus Jin Tachihara 1983-01-04
4343977 Electronic controlled heat cooking apparatus 1982-08-10