Issued Patents All Time
Showing 1–24 of 24 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12345555 | Phase measuring method and signal processing device | Daisuke IIDA, Keiji Okamoto, Hiroyuki OSHIDA | 2025-07-01 |
| 12313449 | Optical pulse test method and optical pulse test equipment | Daisuke IIDA, Hiroyuki OSHIDA | 2025-05-27 |
| 11976962 | Optical-fiber path searching method, optical-fiber path searching system, signal processing device, and program | Daisuke IIDA, Kunihiro Toge, Tetsuya Manabe | 2024-05-07 |
| 11867555 | Phase measurement method and signal processing device | Daisuke IIDA, Kunihiro Toge, Hiroyuki OSHIDA | 2024-01-09 |
| 11860028 | Vibration detection method with improved signal processing | Daisuke IIDA, Keiji Okamoto, Hiroyuki OSHIDA | 2024-01-02 |
| 11788909 | Measuring device and measuring method using tape core wire | Atsushi Nakamura, Daisuke IIDA, Hiroyuki OSHIDA, Tatsuya Okamoto, Tomokazu Oda | 2023-10-17 |
| 11788928 | Light intensity distribution measurement method and light intensity distribution measurement device | Tomokazu Oda, Daisuke IIDA, Hiroyuki OSHIDA | 2023-10-17 |
| 11750283 | Optical fiber route search method, optical fiber route search device and program | Daisuke IIDA, Nazuki HONDA, Tatsuya Okamoto, Hiroyuki OSHIDA | 2023-09-05 |
| 11719599 | Optical fiber test method and optical fiber test device | Atsushi Nakamura, Tomokazu Oda, Daisuke IIDA, Hiroyuki OSHIDA | 2023-08-08 |
| 11522606 | Phase measurement method, signal processing device, and program | Daisuke IIDA, Keiji Okamoto, Hiroyuki OSHIDA | 2022-12-06 |
| 11340171 | Stimulated Raman scattering microscope device and stimulated Raman scattering measurement method | Yasuyuki Ozeki, Yuta Suzuki, Keisuke Goda | 2022-05-24 |
| 11280668 | Distributed optical fiber vibration measurement device and distributed optical fiber vibration measurement method | Kunihiro Toge, Daisuke IIDA, Shingo Ono, Tetsuya Manabe | 2022-03-22 |
| 10801403 | Internal combustion engine | Naoki Nishikawa, Akio Kawaguchi, Hideo Yamashita, Keisuke Tanaka, Toshio Horie +1 more | 2020-10-13 |
| 10385772 | Forming method of thermal insulation film and internal combustion engine | Reona Takagishi, Naoki Nishikawa, Masaaki Tani, Toshio Horie, Fumio Shimizu +2 more | 2019-08-20 |
| 9863312 | Internal combustion engine and manufacturing method therefor | Naoki Nishikawa, Hiroshi Makino, Reona Takagishi, Akio Kawaguchi, Fumio Shimizu +1 more | 2018-01-09 |
| 9683480 | Spark ignition type internal combustion engine | Yoshihiro Nomura, Hidemasa Kosaka, Makoto Koike, Yoshihiro Hotta, Kiyomi Nakakita | 2017-06-20 |
| 9359946 | Internal combustion engine and method for manufacturing the same | Naoki Nishikawa, Takumi Hijii, Akio Kawaguchi, Ryouta Yatsuduka, Fumio Shimizu +1 more | 2016-06-07 |
| 8893693 | Internal combustion engine and method of producing same | Takumi Hijii, Naoki Nishikawa, Akio Kawaguchi, Koichi Nakata, Hidemasa Kosaka +1 more | 2014-11-25 |
| 8100345 | Fuel injection device | Yoshihiro Hotta, Kiyomi Kawamura | 2012-01-24 |
| 7784492 | Direction control valve | Yoshihisa Yamamoto, Hirokuni Tomita, Yoshihiro Hotta, Kiyomi Kawamura | 2010-08-31 |
| 7461634 | Fuel injection amount correction method for pressure boosting fuel injection apparatus | Yoshimasa Watanabe, Ichiro Sakata, Yoshihiro Hotta, Kiyomi Kawamura, Kiyomi Nakakita | 2008-12-09 |
| 7337766 | Gas-mixture-ignition-time estimation apparatus for internal combustion engine, and control apparatus for internal combustion engine | Shigeki Nakayama, Koji Kitano, Taro Aoyama, Ryo Hasegawa, Takashi Koyama +3 more | 2008-03-04 |
| 6904893 | Fuel injection method in fuel injector | Yoshihiro Hotta, Kiyomi Kawamura, Kiyomi Nakakita | 2005-06-14 |
| 6854446 | Fuel injection apparatus | Kiyomi Kawamura, Yoshihiro Hotta, Kiyomi Nakakita | 2005-02-15 |