Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9491999 | Mist generator device | Shunichi Watanabe, Kazuya Oguri | 2016-11-15 |
| 7399297 | Skin care device for taking out and removing sebum or other cutaneous impurities | Kazuyasu Ikadai | 2008-07-15 |
| 5459389 | Dual-charging system for a portable electric appliance | Atsushi Isaka | 1995-10-17 |
| 5314321 | Screw-type rotary fluid machine including rotors having treated surfaces | Akihiko Yamamoto, Toshihiro Yamada, Tatsuo Natori, Kotaro Naya, Motohiro Satoo +3 more | 1994-05-24 |
| 5223052 | Method of treating surfaces of rotors of the screw type rotary machine | Akihiko Yamamoto, Toshihiro Yamada, Tatsuo Natori, Kotaro Naya, Motohiro Satoo +3 more | 1993-06-29 |
| 5082427 | Screw compressing apparatus, rotor temperature control apparatus for screw compressing apparatus and operating control apparatus for screw compressing apparatus | Akira Suzuki, Junji Okita | 1992-01-21 |
| 4963079 | Screw fluid machine with high efficiency bore shape | Akira Suzuki, Riichi Uchida | 1990-10-16 |
| 4812837 | LC display device with both positive and negative image display modes | Tomikatsu Shiraishi | 1989-03-14 |
| 4770615 | Screw compressor with scavenging port | Taiji Hashimoto, Akira Suzuki | 1988-09-13 |
| 4560333 | Screw compressor | Taisuke Torigoe | 1985-12-24 |
| 4492546 | Rotor tooth form for a screw rotor machine | Katsuhiko Kasuya, Hidetomo Mori, Tetsuzo Matsunaga | 1985-01-08 |
| 4475878 | Screw rotor with tooth form produced by thermal deformation and gear backlash | Katsuhiko Kasuya, Hidetomo Mori, Tetsuzo Matsunaga | 1984-10-09 |
| 4406602 | Screw rotor with specific tooth profile | Katsuhiko Kasuya, Tetsuzo Matsunaga, Masaya Imai, Yasuo Takahashi | 1983-09-27 |
| 4401420 | Male and female screw rotor assembly with specific tooth flanks | Katsuhiko Kasuya, Masaya Imai, Tetsuzo Matsunaga, Yasuo Takahashi | 1983-08-30 |