Issued Patents All Time
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7307490 | High frequency switch device | Noriyuki Tanino, Junichi Somei | 2007-12-11 |
| 6506618 | Method of forming a GaInNAs layer | Yasutomo Kajikawa | 2003-01-14 |
| 6358316 | Method for producing semiconductor device, method for producing semiconductor laser device, and method for producing quantum wire structure | Norio Hayafuji, Tatsuya Kimura | 2002-03-19 |
| 6096617 | Method of manufacturing a carbon-doped compound semiconductor layer | — | 2000-08-01 |
| 5991322 | Semiconductor optical device | Tohru Takiguchi, Katsuhiko Goto | 1999-11-23 |
| 5948161 | Method of fabricating a semiconductor device and method of cleaning a crystalline semiconductor surface | — | 1999-09-07 |
| 5882952 | Semiconductor device including quantum wells or quantum wires and method of making semiconductor device | Motoharu Miyashita | 1999-03-16 |
| 5835516 | Semiconductor laser device and method of fabricating semiconductor laser device | Motoharu Miyashita, Yasuaki Yoshida, Yutaka Mihashi, Yasutomo Kajikawa, Shoichi Karakida +1 more | 1998-11-10 |
| 5805628 | Semiconductor laser | Shoichi Karakida, Norio Hayafuji, Tatsuya Kimura, Motoharu Miyashita, Takashi Nishimura | 1998-09-08 |
| 5796127 | High electron mobility transistor | Norio Hayafuji, Yoshitsugu Yamamoto | 1998-08-18 |
| 5782979 | Substrate holder for MOCVD | Nobuaki Kaneno, Masayoshi Takemi, Kenzo Mori | 1998-07-21 |
| 5714006 | Method of growing compound semiconductor layer | Yasutomo Kajikawa | 1998-02-03 |
| 5679962 | Semiconductor device and a single electron device | — | 1997-10-21 |
| 5608749 | Semiconductor laser diode and semiconductor laser diode array including plated heat sink (PHS) electrode | — | 1997-03-04 |
| 5602414 | Infrared detector having active regions and isolating regions formed of CdHgTe | Kotaro Mitsui, Zenpei Kawazu, Kazuo Mizuguchi, Seiji Ochi, Yuji Ohkura +4 more | 1997-02-11 |
| 5541950 | Semiconductor laser including groove having variable dimensions | Shoichi Karakida | 1996-07-30 |
| 5539763 | Semiconductor lasers and methods for fabricating semiconductor lasers | Masayoshi Takemi | 1996-07-23 |
| 5459747 | Semiconductor optical devices | Tohru Takiguchi, Katsuhiko Goto | 1995-10-17 |
| 5426658 | Semiconductor laser including ridge confining buffer layer | Nobuaki Kaneno, Norio Hayafuji, Tetsuo Shiba, Hitoshi Tada | 1995-06-20 |
| 5389798 | High-speed semiconductor device with graded collector barrier | Seiji Ochi | 1995-02-14 |
| 5316967 | Method for producing semiconductor device | Nobuaki Kaneno, Norio Hayafuji, Tetsuo Shiba, Hitoshi Tada | 1994-05-31 |