Issued Patents All Time
Showing 51–68 of 68 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5989339 | MBE system and semiconductor device fabricated, using same | Koshi Tamamura, Hironori Tsukamoto | 1999-11-23 |
| 5943355 | Semiconductor light emitting device | Yumi Sanaka | 1999-08-24 |
| 5872023 | Method of fabricating of light emitting device with controlled lattice mismatch | Masashi Shiraishi, Satoshi Ito, Kazushi Nakano, Akira Ishibashi, Hiroyuki Okuyama +3 more | 1999-02-16 |
| 5865897 | Method of producing film of nitrogen-doped II-VI group compound semiconductor | Satoshi Ito, Satoshi Taniguchi, Hiroyuki Okuyama, Hironori Tsukamoto, Masaharu Nagai +1 more | 1999-02-02 |
| 5780322 | Method for growing a II-VI compound semiconductor layer containing cadmium and method for fabricating a semiconductor laser | Koshi Tamamura, Hironori Tsukamoto | 1998-07-14 |
| 5695556 | Determination of critical film thickness of a compound semiconductor layer, and a method for manufacturing a semiconductor device using the method of determination | Koshi Tamamura, Hironori Tsukamoto, Masaharu Nagai | 1997-12-09 |
| 5633514 | Semiconductor light emitting device with lattice-matching and lattice-mismatching | Masashi Shiraishi, Satoshi Ito, Kazushi Nakano, Akira Ishibashi, Hiroyuki Okuyama +3 more | 1997-05-27 |
| 5547858 | Method for purification of amino acids, nucleic acids using a hydrocyclone | Yoshimi Nagano, Takao Suganuma, Kazuhiro Satoh | 1996-08-20 |
| 5489577 | Semi-solid pharmaceutical agent and process for producing the same | Tomoki Tatefuji, Hiroshi Yamauchi | 1996-02-06 |
| 5481558 | Light emitting device | Toyoharu Ohata | 1996-01-02 |
| 5471067 | Semiconductor metal contacting structure and a light emitting device | Satoshi Ito, Yoshino Iochi, Takao Miyajima, Masafumi Ozawa, Katsuhiro Akimoto +2 more | 1995-11-28 |
| 5279744 | Method for purification of an amino acid using ion exchange resin | Hisao Itoh, Katsumi Toide | 1994-01-18 |
| 5234842 | Method of producing p-typed CdS | Hiroyuki Okuyama, Katsuhiro Akimoto | 1993-08-10 |
| 5095488 | Semiconductor laser | Tadashi Yamamoto, Yasue Mikata | 1992-03-10 |
| 5041335 | Undercoat composition and a metal substrate coated with a resin composition | Toshimi Inai, Koichi Karukaya, Kazuyoshi Yamamoto | 1991-08-20 |
| 4790913 | Method for producing an Sn-based multilayer coated steel strip having improved corrosion resistance, weldability and lacquerability | Seizun Higuchi, Tomonari Oga, Hirohumi Nakano | 1988-12-13 |
| 4740977 | Semiconductor laser device | — | 1988-04-26 |
| 4713301 | Sn-based multilayer coated steel strip having improved corrosion resistance, weldability and lacquerability | Seizun Higuchi, Tomonari Oga, Hirohumi Nakano | 1987-12-15 |