YS

Yasutaka Shimizu

Mitsubishi Electric: 13 patents #2,044 of 25,717Top 8%
HC Hitachi Koki Co.: 8 patents #145 of 888Top 20%
SC Sanyo Electric Co.: 5 patents #1,180 of 6,347Top 20%
Ricoh Company: 4 patents #4,167 of 9,818Top 45%
UN Unknown: 3 patents #7,366 of 83,584Top 9%
NI Nifco: 2 patents #176 of 650Top 30%
KC Koki Holdings Co.: 1 patents #124 of 215Top 60%
Overall (All Time): #105,321 of 4,157,543Top 3%
33
Patents All Time

Issued Patents All Time

Showing 26–33 of 33 patents

Patent #TitleCo-InventorsDate
D650643 Hedge trimmer Yoshiki Aoki, Hiroyuki Hasegawa 2011-12-20
7755395 Inverter circuit Kohji Yoshii 2010-07-13
D585716 Portable electric driver Takeshi Taniguchi, Hitoshi Tsuzuki, Tomoyuki Kawahara 2009-02-03
6037699 Surface acoustic wave device Yasumi Kobayashi, Kuniyuki Matsui, Yasuhiro Hirao, Kosuke Takeuchi, Kenichi Shibata +2 more 2000-03-14
5854527 Surface acoustic wave device and portable telephone using same Atsuhiro Nishikata, Shigetaka Tonami 1998-12-29
5760522 Surface acoustic wave device Yasumi Kobayashi, Kuniyuki Matsui, Yasuhiro Hirao, Kosuke Takeuchi, Kenichi Shibata +2 more 1998-06-02
5719536 Surface acoustic wave filter with optimized parallel and series resonator capacitances Kuniyuki Matsui, Yasuhiro Hirao, Yasumi Kobayashi, Kosuke Takeuchi, Kenichi Shibata +2 more 1998-02-17
5719537 Surface acoustic wave filter with range of a frequency difference between resonance frequencies of series and parallel resonators Kuniyuki Matsui, Yasuhiro Hirao, Yasumi Kobayashi, Kosuke Takeuchi, Kenichi Shibata +2 more 1998-02-17