Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8527314 | Optimum service selection assisting system | Hiroshi Nishikawa, Kiichi Hama | 2013-09-03 |
| 8032629 | Point-based customer tracking and maintenance incentive system | Hiroshi Nishikawa, Kiichi Hama | 2011-10-04 |
| 7975049 | Point-based customer tracking and maintenance incentive system | Hiroshi Nishikawa, Kiichi Hama | 2011-07-05 |
| 7698149 | Point-based customer tracking and maintenance incentive system | Hiroshi Nishikawa, Kiichi Hama | 2010-04-13 |
| 7109660 | Plasma processing device and baffle plate thereof | Hiroyuki Ishihara, Toshiki Takahashi, Takuya Kubo, Atsushi Ito, Yoko Ono | 2006-09-19 |
| 5539274 | Electron beam excited plasma system | Kazuya Nagaseki, Shuji Mochizuki | 1996-07-23 |
| 4618877 | Power semiconductor device with mesa type structure | Yoshinari Uetake | 1986-10-21 |
| 4445133 | Semiconductor device | Toshio Ogawa | 1984-04-24 |
| 4399452 | Explosion-proof semiconductor device | Kazuyuki Nakashima, Yukio Igarashi, Shinjiro Kojima | 1983-08-16 |