Issued Patents All Time
Showing 1–23 of 23 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12411073 | Gas detection apparatus | Keiichiro KUWATA | 2025-09-09 |
| 12411116 | Apparatus with gas detection function | Naoya UGOMORI | 2025-09-09 |
| 12272721 | Optical element and optical concentration measuring apparatus | Daiki YASUDA | 2025-04-08 |
| 12099004 | Gas detection device | Shota ISSHIKI | 2024-09-24 |
| 11921030 | Gas detection apparatus | Keiichiro KUWATA | 2024-03-05 |
| 11892438 | Optical densitometer and optical waveguide | Tatsushi YAGI, Toshiro Sakamoto | 2024-02-06 |
| 11874161 | Optical concentration measurement device comprising light receiving unit with a rectangular light receiving surface | Shota ISSHIKI | 2024-01-16 |
| 11662305 | Gas detection apparatus | Yuji Ikeda, Keiichiro KUWATA | 2023-05-30 |
| 11644417 | Gas detection apparatus | Yuji Ikeda, Keiichiro KUWATA | 2023-05-09 |
| 11549885 | Optical chemical analysis apparatus | Toshiro Sakamoto | 2023-01-10 |
| 11353399 | Optical waveguide, optical concentration measuring device, and method for manufacturing optical waveguide | Toshiro Sakamoto | 2022-06-07 |
| 11313797 | Optical waveguide and optical concentration measuring apparatus | Tatsushi YAGI, Toshiro Sakamoto | 2022-04-26 |
| 11280729 | Optical density measuring apparatus and optical waveguide | Toshiro Sakamoto | 2022-03-22 |
| 11137282 | Optical concentration measurement device comprising a light receiving unit with a rectangular light receiving surface | Shota ISSHIKI | 2021-10-05 |
| 11054793 | Learning processor, learning processing method, production method of compound semiconductor, and recording medium | Koichiro Ueno | 2021-07-06 |
| 10928318 | Optical waveguide and optical concentration measuring apparatus | Tatsushi YAGI, Toshiro Sakamoto | 2021-02-23 |
| 10760981 | Hall sensor | Tsuyoshi Akagi | 2020-09-01 |
| 10677858 | Magnetic sensor, a magnetic detection apparatus, and a magnetic detection method | Takahisa Shikama | 2020-06-09 |
| 7916611 | Optical pickup apparatus | — | 2011-03-29 |
| 7764585 | Optical head and disk reproducing apparatus | Kenichi Tanaka | 2010-07-27 |
| 5440873 | Gasification-combined power plant | Hiromichi Toda, Shigeyasu Ishigami, Norihisa Kobayashi, Jun Izumi | 1995-08-15 |
| 5313781 | Gasification-combined power plant | Hiromichi Toda, Shigeyasu Ishigami, Norihisa Kobayashi, Jun Izumi | 1994-05-24 |
| 5197277 | Gasification-type combined electric power generating plant | Shigeyasu Ishigami | 1993-03-30 |