Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5872023 | Method of fabricating of light emitting device with controlled lattice mismatch | Masashi Shiraishi, Satoshi Ito, Kazushi Nakano, Akira Ishibashi, Masao Ikeda +3 more | 1999-02-16 |
| 5633514 | Semiconductor light emitting device with lattice-matching and lattice-mismatching | Masashi Shiraishi, Satoshi Ito, Kazushi Nakano, Akira Ishibashi, Masao Ikeda +3 more | 1997-05-27 |
| 5515393 | Semiconductor laser with ZnMgSSe cladding layers | Hiroyuki Okuyama, Takao Miyajima, Masafumi Ozawa, Yuko Morinaga, Futoshi Hiei +2 more | 1996-05-07 |
| 5471067 | Semiconductor metal contacting structure and a light emitting device | Masao Ikeda, Satoshi Ito, Yoshino Iochi, Takao Miyajima, Masafumi Ozawa +2 more | 1995-11-28 |
| 5375134 | Semiconductor light emitting device | Hiroyuki Okuyama | 1994-12-20 |
| 5291098 | Light emitting device | Masami Okita | 1994-03-01 |
| 5268918 | Semiconductor laser | Hiroyuki Okuyama | 1993-12-07 |
| 5234842 | Method of producing p-typed CdS | Hiroyuki Okuyama, Masao Ikeda | 1993-08-10 |
| 5227640 | Apparatus for detecting a flame using weighted time intervals | Shintaro Nomura | 1993-07-13 |
| D332231 | Fire detector | Noboru Seino | 1993-01-05 |