Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10394171 | Method of manufacturing heat-fixing rubber roller and heat-fixing rubber roller | Shiro Katsuki, Narutoshi Kusaka, Shinji Yamazaki, Yoshimi Matsuzawa | 2019-08-27 |
| 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 | Masazo Okajima, Ayumi Mori, Takeo Komatsubara, Masahiko Kamata, Sachimine Suga +2 more | 2000-10-31 |
| 6035661 | Refrigerant compressor and cooling apparatus comprising the same | Takashi Sunaga, Masato Watanabe, Kenji Ando, Masazo Okajima, Yoshinobu Obokata +1 more | 2000-03-14 |
| 5956959 | Refrigerant compressor and cooling apparatus comprising the same | Takashi Sunaga, Masato Watanabe, Kenji Ando, Masazo Okajima, Yoshinobu Obokata +1 more | 1999-09-28 |