Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12044444 | Refrigeration cycle apparatus | Takuya Matsuda | 2024-07-23 |
| 11913664 | Air-conditioning apparatus and method of controlling the same | Hiroyuki Okano | 2024-02-27 |
| 11181303 | Air-conditioning apparatus and air-conditioning system | Katsuhiro Ishimura | 2021-11-23 |
| 11175172 | Liquid level detection device, accumulator, and air-conditioning apparatus | Hiroyuki Okano, Kazuki OKOCHI, Hiroki Maruyama | 2021-11-16 |
| 10955176 | Air-conditioning apparatus | Kohei KASAI, Yohei Kato, Satoru YANACHI | 2021-03-23 |
| 10830483 | Refrigeration cycle apparatus | Yusuke Shimazu, Hiroki ISHIYAMA | 2020-11-10 |
| 10571173 | Air conditioning system | Kosuke Tanaka, Takuya Matsuda | 2020-02-25 |
| 6691910 | Method of joining different metal materials by friction welding | Masahito Hirose | 2004-02-17 |
| 6623568 | Ti alloy poppet valve and a method of manufacturing the same | Masahito Hirose | 2003-09-23 |
| 6592683 | Ti alloy surface treatment | Masahito Hirose | 2003-07-15 |
| 6511045 | Ti alloy poppet valve and a method of manufacturing the same | Masahito Hirose | 2003-01-28 |
| 6354001 | Method of manufacturing a Ti alloy poppet value | — | 2002-03-12 |
| 6209197 | Method of manufacturing tappet in an internal combustion engine | Akiyoshi Mori | 2001-04-03 |
| 6186478 | Al alloy poppet valve | Akihiro Hamada | 2001-02-13 |
| 6131603 | Ti alloy poppet valve and surface treatment thereof | Yuji Takano, Ryousuke Hada, Masahito Hirose | 2000-10-17 |
| 6073912 | Al or Al alloy poppet valve and a method of manufacturing the same | Akiyoshi Mori | 2000-06-13 |