HS

Hirofumi Sakai

Sumitomo Electric Industries: 2 patents #599 of 3,632Top 20%
SE Seiko Epson: 1 patents #368 of 953Top 40%
TL Tokyo Electron Limited: 1 patents #112 of 433Top 30%
Overall (2005): #12,291 of 245,428Top 6%
4
Patents 2005

Issued Patents 2005

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
6969963 PWM controlled motor drive Tomoharu Yokouchi, Ken MARUYAMA 2005-11-29
6966771 Boat for heat treatment and vertical heat treatment equipment Shinji Irie 2005-11-22
6952311 Microlens device and method of manufacturing the same, electro-optic device and electronic apparatus 2005-10-04
6873126 Motor drive method and motor driver Masashi Inao, Yasunori Yamamoto, Taishi Iwanaga, Tomoharu Yokouchi 2005-03-29