Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7560725 | Method for fabricating group III nitride compound semiconductors and group III nitride compound semiconductor devices | Masayoshi Koike, Yuta Tezen | 2009-07-14 |
| 7491984 | Method for fabricating group III nitride compound semiconductors and group III nitride compound semiconductor devices | Masayoshi Koike, Yuta Tezen, Seiji Nagai | 2009-02-17 |
| 7141444 | Production method of III nitride compound semiconductor and III nitride compound semiconductor element | Masayoshi Koike, Yuta Tezen, Hiroshi Yamashita, Seiji Nagai | 2006-11-28 |
| 7052979 | Production method for semiconductor crystal and semiconductor luminous element | Seiji Nagai, Kazuyoshi Tomita, Shiro Yamazaki, Yuta Tezen | 2006-05-30 |
| 6979584 | Method for producing group III nitride compound semiconductor and group III nitride compound semiconductor device | Masayoshi Koike, Yuta Tezen | 2005-12-27 |
| 6861305 | Methods for fabricating group III nitride compound semiconductors and group III nitride compound semiconductor devices | Masayoshi Koike, Yuta Tezen, Seiji Nagai | 2005-03-01 |
| 6835787 | Inorganic reinforced polyamide resin compositions | Tutomu Tamura, Hideki Eguchi, Tomohide Nakagawa, Manabu Takeuchi | 2004-12-28 |
| 6835771 | Inorganic reinforced polyamide resin compositions | Tutomu Tamura, Hideki Eguchi, Tomohide Nakagawa, Manabu Takeuchi | 2004-12-28 |
| 6830948 | Method for producing group III nitride compound semiconductor and group III nitride compound semiconductor device | Masayoshi Koike, Akira Kojima, Yuta Tezen | 2004-12-14 |
| 6680957 | Group III nitride compound semiconductor laser | Masayoshi Koike, Shiro Yamasaki, Yuta Tezen, Seiji Nagai, Akira Kojima | 2004-01-20 |
| 6534583 | Inorganic reinforced polyamide resin compositions | Tutomu Tamura, Hideki Eguchi, Tomohide Nakagawa, Manabu Takeuchi | 2003-03-18 |
| 6518599 | Light-emitting device using group III nitride group compound semiconductor | Tamiyo Umezaki, Yuta Tezen, Masayoshi Koike | 2003-02-11 |
| 6037423 | Polyester elastomer composition | Hirota Nagano, Hitoshi Ueno, Tsunehiro Ohshima | 2000-03-14 |
| 4957980 | Polyester resin composition and hollow molded article thereof | Shigeo Kobayashi, Katsumasa Yamamoto, Nobuhiko Ichikawa | 1990-09-18 |
| 4744193 | Method of sealing water leakage in concrete structures | Toshio Hatsuzaki, Yoshihiko Ogawa, Hideo Senga, Takehiko Tokoro | 1988-05-17 |