Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12347506 | Photonic spin register, information writing method, and information read-out method | Satoru Nakatsuji, Junji Yumoto, Ryo Shimano, Masamitsu Hayashi, Yusuke Horinouchi | 2025-07-01 |
| 11227953 | Tunneling field effect transistor | Kimihiko Kato, Shinichi Takagi, Hitoshi Tabata, Hiroaki Matsui | 2022-01-18 |
| 11054675 | Optical modulator and method for manufacturing the same | Junichi Fujikata, Shigeki Takahashi | 2021-07-06 |
| 10983411 | Metal-oxide-semiconductor (MOS) optical modulator and method of manufacturing same | Jae-Hoon Han, Shinichi Takagi | 2021-04-20 |
| 10146070 | Optical modulator and method of manufacturing same | Junichi Fujikata, Shigeki Takahashi, Younghyun Kim | 2018-12-04 |
| 9117658 | Method of producing semiconductor wafer, semiconductor wafer, method of producing semiconductor device and semiconductor device | Shinichi Takagi, Jaehoon Han, Tomoyuki Takada, Takenori Osada, Masahiko Hata | 2015-08-25 |
| 9112035 | Semiconductor substrate, field-effect transistor, integrated circuit, and method for fabricating semiconductor substrate | Hisashi Yamada, Masahiko Hata, Masafumi Yokoyama, Shinichi Takagi, Tetsuji Yasuda +2 more | 2015-08-18 |
| 8901656 | Semiconductor wafer, field-effect transistor, method of producing semiconductor wafer, and method of producing field-effect transistor | Takeshi Aoki, Hisashi Yamada, Noboru Fukuhara, Masahiko Hata, Masafumi Yokoyama +3 more | 2014-12-02 |
| 8779471 | Field-effect transistor, semiconductor wafer, method for producing field-effect transistor and method for producing semiconductor wafer | Masahiko Hata, Hisashi Yamada, Noboru Fukuhara, Shinichi Takagi, Masafumi Yokoyama +5 more | 2014-07-15 |
| 8431459 | Semiconductor wafer, semiconductor device, and method of manufacturing a semiconductor device | Shinichi Takagi, Masahiko Hata, Osamu Ichikawa | 2013-04-30 |
| 7292746 | All-optical flip-flop | Yoshiaki Nakano | 2007-11-06 |
| 6208795 | Optical waveguide isolator | Yoshiaki Nakano | 2001-03-27 |