Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12345293 | Thrust foil bearing | Tsutomu Iida, Masahiro Nakajima, Shigekazu AOYAMA, Naomichi Omori | 2025-07-01 |
| 10234175 | Turbo refrigerator | Kentarou Oda, Nobuyoshi Sakuma | 2019-03-19 |
| 10030665 | Liquid level indicator, turbo compressor, and turbo refrigerator | Kentarou Oda, Nobuyoshi Sakuma | 2018-07-24 |
| 9822789 | Turbo compressor and turbo refrigerator | Kentarou Oda, Nobuyoshi Sakuma | 2017-11-21 |
| 9739289 | Turbo-compressor | Kentarou Oda, Nobuyoshi Sakuma | 2017-08-22 |
| 9664200 | Turbo compressor and turbo refrigerator | Kentarou Oda, Kazuaki Kurihara, Nobuyoshi Sakuma | 2017-05-30 |
| 8262350 | Heat insulating structure for expansion turbine, and method of manufacturing the same | Toshio Takahashi, Hirohisa Wakisaka | 2012-09-11 |
| 8257026 | Expansion turbine | Toshio Takahashi, Hirohisa Wakisaka | 2012-09-04 |
| 8231339 | Expansion turbine having a variable nozzle mechanism | Toshio Takahashi, Hirohisa Wakisaka | 2012-07-31 |
| 8113769 | Expansion turbine having a variable nozzle mechanism | Toshio Takahashi, Hirohisa Wakisaka | 2012-02-14 |
| 6382910 | Turbine expansion machine with variable nozzle mechanism | Takashi Kato, Katsumi Kawano, Toru Shimba, Tadao Hiyama, Hiroshi Tsuji +3 more | 2002-05-07 |