Issued Patents All Time
Showing 1–22 of 22 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12276279 | Electric compressor | Takahiro Kato, Ryuji Watanabe, Noritaka Nishimori, Takayuki Kato | 2025-04-15 |
| 10557103 | Refrigerator lubricating oil and mixed composition for refrigerator | Masato Kaneko | 2020-02-11 |
| 10435641 | Refrigerator lubricating oil and mixed composition for refrigerator | Masato Kaneko, Tadashi Kisen | 2019-10-08 |
| 10053647 | Working fluid composition for refrigerator, and refrigerator oil | Masataka Muto, Hajime Mukawa, Takekazu Kano, Genki Hayashi, Kazuki Yamamoto +4 more | 2018-08-21 |
| 9976106 | Refrigerator oil composition and refrigerator system | Masato Kaneko, Masataka Muto, Masami Sanuki | 2018-05-22 |
| 9062666 | Swash plate type variable displacement compressor and method of controlling solenoid thereof | Masaki Ota, Shohei Fujiwara, Hiroaki Kayukawa, Noriyuki Shintoku | 2015-06-23 |
| 8906250 | Lubricant composition for refrigerating machine and compressor using the same | Masato Kaneko, Harutomo Ikeda, Tokue Sato, Takayuki Kato, Masato Takamatsu +5 more | 2014-12-09 |
| 8703662 | Lubricating oil composition for refrigerators and compressors with the composition | Masato Kaneko, Harutomo Ikeda, Takayuki Kato, Masaki Inoue, Shozo Ikejima +2 more | 2014-04-22 |
| 8460571 | Lubricant composition for refrigerator and compressor using the same | Masato Kaneko, Harutomo Ikeda, Takayuki Kato, Masaki Inoue, Shozo Ikejima +2 more | 2013-06-11 |
| 7156014 | Compressor | Takahiro Sugioka, Manabu Sugiura, Masami Osako, Toshihisa Shimo, Hitotoshi Murase +1 more | 2007-01-02 |
| 6575080 | Single-headed piston for swash plate type compressor wherein head portion has a curved surface at axial end | Fuminobu Enokijima, Seiji Katayama | 2003-06-10 |
| 6546841 | Swash plate compressor and piston therefor | Takayuki Kato, Seiji Katayama, Fuminobu Enokijima | 2003-04-15 |
| 6526869 | Piston for compressors and method for producing the same | Takayuki Kato, Seiji Katayama | 2003-03-04 |
| 6453554 | Swash plate type compressor piston wherein inner surface of base section of neck portion has as-cast surface area | Shigeo Fukushima, Takayuki Kato, Masato Takamatsu | 2002-09-24 |
| 6381842 | Method of producing swash plate type compressor piston | Takayuki Kato, Masato Takamatsu, Fuminobu Enokijima | 2002-05-07 |
| 6324960 | Piston for swash plate type compressor, including head portion having lubricant reservoir recess, and method of forming the recess | Fuminobu Enokijima | 2001-12-04 |
| 6280152 | Variable-type swash plate compressor having a cock member for fixed capacity operation and manufacturing method therefor | Manabu Sugiura | 2001-08-28 |
| 6123513 | Compressor with improved piston for lubricating the coupling portion between the piston and the driving body | Osamu Hiramatsu, Shigeki Kanzaki, Kazushige Murao | 2000-09-26 |
| 5988041 | Piston for compressors | Osamu Hiramatsu, Shigeki Kanzaki, Kazushige Murao | 1999-11-23 |
| 5988223 | Sealing plug device for a refrigerant compressor | Shigeki Kanzaki, Minoru Mera | 1999-11-23 |
| 5857402 | Variable displacement compressor method and apparatus | Shigeki Kanzaki, Kazushige Murao | 1999-01-12 |
| 5842406 | Piston for compressors including a restrictor to prevent the piston from rotating | Osamu Hiramatsu, Shigeki Kanzaki, Kazushige Murao | 1998-12-01 |