Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5364250 | Oil-free screw compressor and method of manufacture | Masakazu Aoki, Tatsuo Natori | 1994-11-15 |
| 4557679 | Rotary fluid machine with thrust bearing mounting unit | Osami Matsushita, Katsumi Matsubara, Michiaki Ida, Shigeru Sasaki | 1985-12-10 |
| 4492546 | Rotor tooth form for a screw rotor machine | Katsuhiko Kasuya, Mitsuru Fujiwara, Tetsuzo Matsunaga | 1985-01-08 |
| 4487563 | Oil-free rotary displacement compressor | Akira Suzuki, Riichi Uchida, Shigeru Sasaki | 1984-12-11 |
| 4475878 | Screw rotor with tooth form produced by thermal deformation and gear backlash | Katsuhiko Kasuya, Mitsuru Fujiwara, Tetsuzo Matsunaga | 1984-10-09 |
| 4219312 | Volume control system for compressor unit | Shingo Ishizawa | 1980-08-26 |