Issued Patents All Time
Showing 1–25 of 99 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12408489 | Semiconductor light-emitting device | Toru Takayama, Kunimasa Takahashi | 2025-09-02 |
| 12188110 | Steel material suitable for use in sour environment | Yuji Arai, Kuniaki Itoh, Takuya OKAMURA | 2025-01-07 |
| 12142895 | Semiconductor laser device | Keishi Kouno, Ryoji Hiroyama, Katsuya Samonji, Masanori HIROKI | 2024-11-12 |
| 12119618 | Nitride-based semiconductor light-emitting element and manufacturing method thereof, and manufacturing method of nitride-based semiconductor crystal | Shuichi NAKAZAWA, Isao Kidoguchi | 2024-10-15 |
| 12054798 | Steel material and method for producing steel material | Yuji Arai, Hiroki Kamitani, Yohei Otome | 2024-08-06 |
| 11990561 | Nitride-based semiconductor light-emitting element and manufacturing method thereof | Noboru Inoue | 2024-05-21 |
| 11935227 | Notch detecting method | Yasukuni Nomura | 2024-03-19 |
| 11905580 | Seamless steel pipe suitable for use in sour environment | Hiroki Kamitani, Nobuaki Komatsubara, Seiya OKADA, Atsushi Soma, Yuji Arai | 2024-02-20 |
| 11898216 | Seamless steel pipe heat-treatment-finishing-treatment continuous facility | Hiroki Kamitani, Takanori Tanaka, Atsushi Soma, Keiichi Kondo, Hideki MITSUNARI +3 more | 2024-02-13 |
| 11773460 | Steel pipe and method for producing steel pipe | Yuji Arai, Atsushi Soma, Hiroki Kamitani | 2023-10-03 |
| 11643712 | Steel pipe and method for producing steel pipe | Yuji Arai, Atsushi Soma, Hiroki Kamitani | 2023-05-09 |
| 11581701 | Nitride semiconductor laser element and illumination light source module | Hideo Kitagawa, Isao Kidoguchi | 2023-02-14 |
| 11492688 | Steel material suitable for use in sour environment | Yuji Arai | 2022-11-08 |
| 11482899 | Rotating electrical machine with rotor having arc shaped permanent magnets | Ko Yanagihara, Atsushi Tada | 2022-10-25 |
| 11473177 | Steel material suitable for use in sour environment | Yuji Arai | 2022-10-18 |
| 11434554 | Steel material suitable for use in sour environment | Hiroki Kamitani, Atsushi Soma, Keiichi Kondo, Yuji Arai | 2022-09-06 |
| 11411449 | Rotating electrical machine with rotor having arch shaped permanent magnets with perpendicular reference surface | Atsushi Tada, Ko Yanagihara | 2022-08-09 |
| 11332813 | Steel material suitable for use in sour environment | Yuji Arai, Atsushi Soma, Hiroki Kamitani | 2022-05-17 |
| 11232551 | Wafer inspecting apparatus | Koji Hashimoto, Yasukuni Nomura | 2022-01-25 |
| 11174539 | Steel material suitable for use in sour environment | Hiroki Kamitani, Atsushi Soma, Yuji Arai, Seiya OKADA | 2021-11-16 |
| 11155893 | Steel material suitable for use in sour environment | Yuji Arai, Atsushi Soma, Hiroki Kamitani | 2021-10-26 |
| 11127469 | Nonvolatile semiconductor storage device | Kazumasa Yanagisawa, Shuichi Sato, Yasuhiro Taniguchi | 2021-09-21 |
| 11078558 | Steel material, oil-well steel pipe, and method for producing steel material | Yuji Arai, Atsushi Soma, Hiroki Kamitani | 2021-08-03 |
| 11070028 | Semiconductor light emitting element | Toru Takayama, Kunimasa Takahashi | 2021-07-20 |
| 11041545 | Bending meshing type gear device | Toshiya Nagumo, Masayuki Ishizuka | 2021-06-22 |