Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4492546 | Rotor tooth form for a screw rotor machine | Katsuhiko Kasuya, Hidetomo Mori, Mitsuru Fujiwara | 1985-01-08 |
| 4475878 | Screw rotor with tooth form produced by thermal deformation and gear backlash | Katsuhiko Kasuya, Hidetomo Mori, Mitsuru Fujiwara | 1984-10-09 |
| 4406602 | Screw rotor with specific tooth profile | Katsuhiko Kasuya, Mitsuru Fujiwara, Masaya Imai, Yasuo Takahashi | 1983-09-27 |
| 4401420 | Male and female screw rotor assembly with specific tooth flanks | Katsuhiko Kasuya, Mitsuru Fujiwara, Masaya Imai, Yasuo Takahashi | 1983-08-30 |