YH

Yoshihiro Hirota

SI Sumitomo Metal Industries: 10 patents #22 of 1,462Top 2%
TL Tokyo Electron Limited: 8 patents #950 of 5,567Top 20%
TO Tokuyama: 6 patents #45 of 562Top 9%
IC Ibiden Co.: 2 patents #335 of 730Top 50%
TU Tohoku University: 1 patents #615 of 1,680Top 40%
YO Yozan: 1 patents #25 of 43Top 60%
AC Aisin Aw Co.: 1 patents #1,133 of 2,011Top 60%
TO Toyota: 1 patents #15,335 of 26,838Top 60%
HI Hokuto Electronics Incorporated: 1 patents #2 of 12Top 20%
NE Nec: 1 patents #7,889 of 14,502Top 55%
SC Sumitomo Metal Mining Co.: 1 patents #385 of 736Top 55%
Overall (All Time): #131,300 of 4,157,543Top 4%
29
Patents All Time

Issued Patents All Time

Showing 26–29 of 29 patents

Patent #TitleCo-InventorsDate
5973538 Sensor circuit Guoliang Shou, Kazunori Motohashi, Shengmin Lin, Makoto Yamamoto, Toshiyuki Matsumoto +2 more 1999-10-26
5892266 Layout structure of capacitive element(s) and interconnections in a semiconductor Toshiyuki Matsumoto, Guoliang Shou, Kazunori Motohashi 1999-04-06
5305176 Inductive load drive circuit 1994-04-19
5217849 Process for making a two-layer film carrier Takeshi Chonan, Yuko Kudo 1993-06-08