Issued Patents All Time
Showing 1–25 of 35 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12392053 | Group 13 element nitride crystal layer, self-supporting substrate, and functional element | Suguru Noguchi, Yoshinori Isoda, Tetsuya Uchikawa | 2025-08-19 |
| 11611017 | Group 13 element nitride layer, free-standing substrate and functional element | Hirokazu Nakanishi, Mikiya Ichimura, Takanao Shimodaira, Masahiro Sakai, Takashi Yoshino | 2023-03-21 |
| 11555257 | Group 13 element nitride layer, free-standing substrate and functional element | Hirokazu Nakanishi, Mikiya Ichimura, Takanao Shimodaira, Masahiro Sakai, Takashi Yoshino | 2023-01-17 |
| 11309455 | Group 13 element nitride layer, free-standing substrate and functional element | Hirokazu Nakanishi, Mikiya Ichimura, Takanao Shimodaira, Masahiro Sakai, Takashi Yoshino | 2022-04-19 |
| 11233245 | Catalyst-layer forming apparatus | Futoshi Shimai, Hiroshi Okonogi, Yasuhiro Numao, Kimio Nishimura | 2022-01-25 |
| 11088299 | Group 13 element nitride layer, free-standing substrate and functional element | Hirokazu Nakanishi, Mikiya Ichimura, Takanao Shimodaira, Masahiro Sakai, Takashi Yoshino | 2021-08-10 |
| 11035055 | Group 13 nitride layer, composite substrate, and functional element | Yoshinori Isoda, Suguru Noguchi, Tetsuya Uchikawa, Takanao Shimodaira, Katsuhiro Imai | 2021-06-15 |
| 11011678 | Group 13 element nitride layer, free-standing substrate and functional element | Hirokazu Nakanishi, Mikiya Ichimura, Takanao Shimodaira, Masahiro Sakai, Takashi Yoshino | 2021-05-18 |
| 10947638 | Underlying substrate including a seed crystal layer of a group 13 nitride having stripe-shaped projections and recesses and an off-angle in a direction of an a-axis | Makoto Iwai, Katsuhiro Imai, Takashi Yoshino | 2021-03-16 |
| 10804432 | Free-standing substrate comprising polycrystalline group 13 element nitride and light-emitting element using same | Katsuhiro Imai, Yoshitaka Kuraoka, Mikiya Ichimura | 2020-10-13 |
| 10756354 | Membrane catalyst layer assembly production method and membrane catalyst layer assembly production device | Michito Kishi, Tooru Kosemura, Hiroshi Miyaoka, Yasuhiro Numao, Jun Inomata +1 more | 2020-08-25 |
| 10734548 | Free-standing substrate comprising polycrystalline group 13 element nitride and light-emitting element using same | Katsuhiro Imai, Yoshitaka Kuraoka, Mikiya Ichimura | 2020-08-04 |
| 10553876 | Method and device for modifying catalyst layer | Hiroshi Okonogi, Aurel Funar, Yasuhiro Numao, Tooru Kosemura, Kimio Nishimura | 2020-02-04 |
| 10190233 | Method and device for producing a group 13 element nitride crystal using a shielding object | Suguru Noguchi, Shuhei Higashihara, Tetsuya Uchikawa | 2019-01-29 |
| 10156022 | Method for producing nitride of group-13 element, and melt composition | Shuhei Higashihara, Katsuhiro Imai | 2018-12-18 |
| 10041186 | Method for producing nitride crystal | Katsuhiro Imai, Makoto Iwai, Masahiro Sakai, Takanao Shimodaira, Shuhei Higashihara | 2018-08-07 |
| 9868877 | Composition and method for producing the same, and powder coating material, pellet, resin formed article, and electric wire | Yasukazu Nakatani, Toshio Miyatani, Hiroshi Torii, Natsumi Okamoto, Manabu Fujisawa +1 more | 2018-01-16 |
| 9793553 | Method and apparatus for manufacturing separator for fuel cell | Yasuhiro Numao, Hiroshi Miyaoka | 2017-10-17 |
| 9677192 | Group 3B nitride crystal substrate | Takanao Shimodaira, Katsuhiro Imai, Makoto Iwai | 2017-06-13 |
| 9290861 | Group 13 nitride crystal with stepped surface | Takanao Shimodaira, Katsuhiro Imai | 2016-03-22 |
| 9080035 | Aqueous fluoropolymer dispersion | Kenjiro Tanimoto, Junya Iida, Takeshi Shimono, Nobuhiko Tsuda, Taketo Kato | 2015-07-14 |
| 9074033 | Ethylene/tetrafluoroethylene copolymer, electrical wire, and fluorine resin powder for rotational molding | Kenji Ichikawa, Shigehito Sagisaka, Yumi Nakano | 2015-07-07 |
| 9045844 | Method for peeling group 13 element nitride film | Makoto Iwai, Takashi Yoshino | 2015-06-02 |
| 9041004 | Films of nitrides of group 13 elements and layered body including the same | Makoto Iwai, Takashi Yoshino | 2015-05-26 |
| 8795431 | Method for producing gallium nitride layer and seed crystal substrate used in same | Katsuhiro Imai, Makota Iwai, Takanao Shimodaira, Masahiro Sakai, Shuhei Higashihara | 2014-08-05 |