Issued Patents All Time
Showing 25 most recent of 55 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12341320 | Optical combiner and laser apparatus | Ryokichi Matsumoto, Kiwamu Suzuki | 2025-06-24 |
| 11955777 | Optical combiner and laser apparatus | Ryokichi Matsumoto, Yutaka Yamaguchi, Takuya Kobayashi, Kiwamu Suzuki | 2024-04-09 |
| 11536268 | Electric pump | Kohei Kubo, Koichiro Akatsuka, Yoshiyuki Maki, Koji Higuchi, Yutaka Hashimoto | 2022-12-27 |
| 11061189 | Optical fiber protection structure and method of manufacturing optical element | Hiroto Nakazato, Kazuya Ishida | 2021-07-13 |
| 10942311 | Optical device | — | 2021-03-09 |
| 10690872 | Optical fiber protection structure and optical combiner structure using the same | Hiroto Nakazato, Takanori Yamauchi | 2020-06-23 |
| 10675194 | Absorbent article | Jun Kudo, Toshiyuki Tanio, Yuji Takahashi, Asami SHIMA | 2020-06-09 |
| 10627573 | Optical device, laser system, and method for manufacturing optical device | — | 2020-04-21 |
| 10073220 | Optical coupler, laser device, and taper fiber | Kentaro Ichii, Ken Katagiri, Kenichi Ohmori, Rintaro Kitahara, Tatsuya Kishi | 2018-09-11 |
| 9995301 | Vane pump and vane pump manufacturing method | Masamichi Sugihara, Tomoyuki Nakagawa, Tsutomu Komiya | 2018-06-12 |
| 9897086 | Vane pump | Koichiro Akatsuka, Fumiyasu Kato, Hiroki GOMI | 2018-02-20 |
| 9879670 | Variable displacement vane pump | Koichiro Akatsuka, Fumiyasu Kato | 2018-01-30 |
| 9856873 | Vane pump | Hiromi SHIMONO, Masamichi Sugihara, Yoshiyuki Maki | 2018-01-02 |
| 9745241 | Production method for hexachloroacetone | Hidekazu Okamoto, Kouhei Tajima, Tsutomu Naganuma, Shingo Nomura | 2017-08-29 |
| 9719404 | Muffler and its corresponding manufacturing method | Akiyoshi Yamamoto, Kenji Shikata, Ken MIWA, Koichi Hiramatsu, Isao Nojiri +1 more | 2017-08-01 |
| 9664188 | Variable displacement vane pump | Masamichi Sugihara, Koichiro Akatsuka, Fumiyasu Kato | 2017-05-30 |
| 9644626 | Vane pump | Koichiro Akatsuka, Fumiyasu Kato | 2017-05-09 |
| 9617379 | Production method for carbonate compound and methacrylate or ester thereof | Takashi Okazoe, Masayuki Miyazaki, Kazuya Oharu, Shinji Wada, Koichi Murata +1 more | 2017-04-11 |
| 9611848 | Variable displacement vane pump having connection groove communicating with suction-side back pressure port thereof | Koichiro Akatsuka, Fumiyasu Kato | 2017-04-04 |
| 9598345 | Method for producing unsaturated acid ester or unsaturated acid | Koichi Murata, Naoko Shirota, Yusuke Suzuki, Daisuke Jomuta | 2017-03-21 |
| 9581159 | Electric oil pump | Masamichi Sugihara, Koichiro Akatsuka | 2017-02-28 |
| 9567997 | Variable capacity type vane pump | Koichiro Akatsuka, Masamichi Sugihara, Fumiyasu Kato | 2017-02-14 |
| 9534595 | Variable displacement vane pump | Koichiro Akatsuka, Masamichi Sugihara, Fumiyasu Kato | 2017-01-03 |
| 9488175 | Variable capacity type vane pump | Koichiro Akatsuka, Masamichi Sugihara, Fumiyasu Kato | 2016-11-08 |
| 9482228 | Variable capacity vane pump with a rotor and a cam ring rotatable eccentrically relative to a center of the rotor | Masamichi Sugihara, Koichiro Akatsuka, Fumiyasu Kato | 2016-11-01 |