Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6435850 | Rotary compressor | Takashi Sunaga, Kenzo Matsumoto, Manabu Takenaka | 2002-08-20 |
| 6139296 | Method for treating metal surface, rotary shaft for refrigerant compressor treated by the method, vane for refrigerant compressor treated by the method, and refrigerant compressor using the same | Ayumi Mori, Kazuhisa Ishikawa, Takeo Komatsubara, Masahiko Kamata, Sachimine Suga +2 more | 2000-10-31 |
| 6035661 | Refrigerant compressor and cooling apparatus comprising the same | Takashi Sunaga, Masato Watanabe, Kazuhisa Ishikawa, Kenji Ando, Yoshinobu Obokata +1 more | 2000-03-14 |
| 5956959 | Refrigerant compressor and cooling apparatus comprising the same | Takashi Sunaga, Masato Watanabe, Kazuhisa Ishikawa, Kenji Ando, Yoshinobu Obokata +1 more | 1999-09-28 |
| 5806336 | Refrigeration apparatus and lubricating oil composition | Takashi Sunaga, Yoshinobu Obokata, Takeo Komatsubara, Yasuki Takahashi | 1998-09-15 |