Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7505451 | Usage-based charging device and usage-based charging method | Naoyoshi Hashizume, Hirofumi Nakashima, Yasuhiro Yamada | 2009-03-17 |
| 6960485 | Light-emitting device using a group III nitride compound semiconductor and a method of manufacture | Toshiya Uemura, Naohisa Nagasaka, Masaki Hashimura, Atsuo Hirano, Tetsu Kachi +1 more | 2005-11-01 |
| 6600385 | Front end module for mobile communications apparatus | Nobumi Harada, Satoshi Suga, Hideki Hasegawa | 2003-07-29 |
| 5940314 | Ultra-high density memory device | Motofumi Suzuki, Takeshi Ohwaki, Yasunori Taga, Testu Kachi, Yuichi Tanaka +1 more | 1999-08-17 |
| 5304822 | Static induction type semiconductor device with multiple source contact regions | Haruo Takagi, Shinobu Aoki, Yukihiko Watanabe | 1994-04-19 |
| 4998149 | Static induction type semiconductor device | Tomoyoshi Kushida | 1991-03-05 |
| 4994870 | Static induction type semiconductor device | Shinobu Aoki, Haruo Takagi, Takashi Suzuki, Susumu Sugiyama | 1991-02-19 |
| 4752818 | Semiconductor device with multiple recombination center layers | Tomoyoshi Kushida, Yoshio Nakamura | 1988-06-21 |