Issued Patents All Time
Showing 25 most recent of 157 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12360407 | Optical device and optical communication device | — | 2025-07-15 |
| 12305248 | Heat treatment method and heat treatment furnace | Shinichi Takahashi, Kensuke Takahashi, Kosuke TAKAHARA | 2025-05-20 |
| 12123759 | Ultrasonic flowmeter | Hiroto Fukui, Naoto Naganuma | 2024-10-22 |
| 12078877 | Optical modulator and optical communication apparatus | — | 2024-09-03 |
| 12066737 | Optical device and optical transceiver | — | 2024-08-20 |
| 12044909 | Optical device that includes optical modulator, and optical transceiver | — | 2024-07-23 |
| 12047121 | Optical device, optical transmission apparatus, optical reception apparatus, and optical communication apparatus | Koji Otsubo, Kazumasa Takabayashi, Shuntaro Makino | 2024-07-23 |
| 12044910 | Optical device and optical communication apparatus | Shuntaro Makino, Yoshinobu Kubota, Yasuhiro Ohmori, Masaharu Doi, Shintaro Takeuchi +3 more | 2024-07-23 |
| 12025866 | Optical device and optical communication apparatus | — | 2024-07-02 |
| 12019349 | Optical device and optical transceiver using the same | — | 2024-06-25 |
| 11914233 | Optical device and optical communication device | — | 2024-02-27 |
| 11914189 | Optical device and optical communication apparatus | — | 2024-02-27 |
| 11892716 | Optical device and optical transceiver using the same | — | 2024-02-06 |
| 11852878 | Optical device and optical communication apparatus | — | 2023-12-26 |
| 11719964 | Optical device and optical communication device | — | 2023-08-08 |
| 11719598 | Optical device for measuring power of test light and optical device testing method | — | 2023-08-08 |
| D989649 | Flow meter | Hiroto Fukui, Naoto Naganuma | 2023-06-20 |
| D989650 | Flow meter | Hiroto Fukui, Naoto Naganuma | 2023-06-20 |
| 11658738 | Optical device, optical module using the same, and optical device testing method | — | 2023-05-23 |
| 11604116 | Optical device having terrace for mounting optical chip component and method of testing optical device having terrace for mounting optical chip component | — | 2023-03-14 |
| 11320715 | Optical device that includes optical modulator | — | 2022-05-03 |
| 11320595 | Optical device that includes optical modulator, and optical transceiver | — | 2022-05-03 |
| 11320486 | Optical device and optical transceiver module | — | 2022-05-03 |
| 11294208 | Optical device | — | 2022-04-05 |
| 11156858 | Optical device that includes optical modulator | — | 2021-10-26 |