Issued Patents All Time
Showing 1–25 of 34 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6765233 | Semiconductor substrate, light emitting device, and method for producing the same | Yuhzoh Tsuda, Shigetoshi Ito | 2004-07-20 |
| 6586316 | Method for producing a semiconductor substrate | Yuhzoh Tsuda, Shingetoshi Ito | 2003-07-01 |
| 6570305 | Field emission electron source and fabrication process thereof | Masao Urayama, Keiichiro Uda, Yoshio Inoue | 2003-05-27 |
| 6294440 | Semiconductor substrate, light-emitting device, and method for producing the same | Yuhzoh Tsuda, Shigetoshi Ito | 2001-09-25 |
| 5907470 | Dielectric thin film capacitor element | Ryusuke Kita, Yoshiyuki Masuda, Yoshiyuki Matsu, Noboru Ohtani | 1999-05-25 |
| 5800233 | Process of fabricating field-emission type electron source, electron source fabricated thereby and element structure of electron source | Masao Urayama, Yoshiyuki Takegawa, Yuko Morita | 1998-09-01 |
| 5676873 | Microwave oven and magnetron with cold cathode | Takeo Takase, Masao Urayama, Terutaka Tokumaru, Minoru Makita | 1997-10-14 |
| 5457561 | System for transmitting a beam in the air | Mototaka Taneya, Haruhisa Takiguchi, Atsushi Shimonaka, Tatsuya Morioka, Hidenori Kawanishi | 1995-10-10 |
| 5345460 | Semiconductor laser device with window regions | Haruhisa Takiguchi, Kazuhiko Inoguchi, Hiroaki Kudo, Chitose Nakanishi, Toshiyuki Okumura +1 more | 1994-09-06 |
| 5260231 | Method for the production of a semiconductor laser | Hidenori Kawanishi, Taiji Morimoto, Shinji Kaneiwa, Hiroshi Hayashi, Nobuyuki Miyauchi +5 more | 1993-11-09 |
| 5208468 | Semiconductor laser device with a sulfur-containing film provided between the facet and the protective film | Hidenori Kawanishi, Taiji Morimoto, Shinji Kaneiwa, Hiroshi Hayashi, Nobuyuki Miyauchi +5 more | 1993-05-04 |
| 5022037 | Semiconductor laser device | Hidenori Kawanishi, Hiroshi Hayashi, Taiji Morimoto, Shinji Kaneiwa, Nobuyuki Miyauchi | 1991-06-04 |
| 4937836 | Semiconductor laser device and production method therefor | Saburo Yamamoto, Hiroshi Kayashi, Taiji Morimoto | 1990-06-26 |
| 4899359 | Optical memory semiconductor laser apparatus | Toshiki Hijikata | 1990-02-06 |
| 4896933 | Higher harmonic generator | Mitsuhiro Matsumoto, Toshiki Hijikata | 1990-01-30 |
| 4862473 | Semiconductor laser apparatus having a high harmonic generating waveguide | Toshiki Hijikata | 1989-08-29 |
| 4858215 | Integrated optical disc pickup that allows variations in the wavelength of the laser beam | Hiroaki Kudo, Haruhisa Takiguchi, Toshiki Hijikata, Shinji Kaneiwa | 1989-08-15 |
| 4856006 | Higher harmonic generating device | Toshiki Hijikata | 1989-08-08 |
| 4817104 | Semiconductor laser array device | Mototaka Taneya, Sadayoshi Matsui, Mitsuhiro Matsumoto | 1989-03-28 |
| 4792960 | Semiconductor laser | Saburo Yamamoto, Hiroshi Hayashi, Taiji Morimoto | 1988-12-20 |
| 4771432 | Semiconductor laser which reduces the coherency of the oscillation spectrum | Saburo Yamamoto, Sadayoshi Matsui, Hiroshi Hayashi | 1988-09-13 |
| 4768201 | Semiconductor laser array | Mototaka Taneya, Sadayoshi Matsui, Saburo Yamamoto | 1988-08-30 |
| 4747109 | Semiconductor laser array device | Mototaka Taneya, Mitsuhiro Matsumoto, Sadayoshi Matsui | 1988-05-24 |
| 4730326 | Semiconductor laser array device | Mototaka Taneya, Sadayoshi Matsui, Mitsuhiro Matsumoto, Saburo Yamamoto | 1988-03-08 |
| 4712219 | Visible double heterostructure-semiconductor laser | Saburo Yamamoto, Haruhisa Takiguchi, Shinji Kaneiwa | 1987-12-08 |