Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11075570 | Rotary electric machine and drive system using same | Kazuo Nishihama, Masanori SAWAHATA, Takayuki Koyama, Yuuichirou YOSHITAKE, Kenichi Sugimoto +1 more | 2021-07-27 |
| 10097059 | Rotating electric machine | Takayuki Koyama, Shigeki Nakae, Motonobu Iizuka, Masanori Matsumoto, Hideyuki Ootaka | 2018-10-09 |
| 9077223 | Electrical rotating machine | Tomohiro Naruse, Motonobu IIDUKA, Shigeki Nakae, Takeshi Mori, Takayuki Koyama | 2015-07-07 |
| 5539245 | Semiconductor substrate having a gettering layer | Kenji Kusakabe | 1996-07-23 |
| 5327007 | Semiconductor substrate having a gettering layer | Kenji Kusakabe | 1994-07-05 |
| 4949034 | Method for contactless evaluation of characteristics of semiconductor wafers and devices | Akira Usami | 1990-08-14 |