Issued Patents All Time
Showing 1–20 of 20 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5176159 | Lens case for contact lens cleaning device | Mikio Yoshihara, Masasi Kai | 1993-01-05 |
| 5161559 | Cleaning device for contact lenses | Mikio Yoshihara, Masasi Kai, Yasuhiro Aso | 1992-11-10 |
| 5105841 | Cleaning device for contact lenses | Mikio Yoshihara, Masasi Kai, Yasuhiro Aso | 1992-04-21 |
| 5050249 | Human private parts washing apparatus | Hisanobu Takeda | 1991-09-24 |
| 5025511 | Human private parts washing apparatus | Hisanobu Takeda | 1991-06-25 |
| 4986290 | Cleaning device for contact lens | Masashi Kai | 1991-01-22 |
| 4961322 | Fresh food storing device | Yasuhiro Aso | 1990-10-09 |
| 4700082 | Circuit breaker | Hisanobu Takeda, Yasuhiro Asou | 1987-10-13 |
| 4597111 | Sanitary device | Yuji Hirashiba, Shinji Kawai | 1986-07-01 |
| 4556038 | Supercharged internal combustion engine having control means responsive to engine speed and accelerator pedal velocity | Toshiaki Okamoto, Matasaburo Kaga | 1985-12-03 |
| 4530339 | Supercharger control apparatus for motor vehicles | Seiji Hayakawa | 1985-07-23 |
| 4529072 | Automatic clutch control system | Kouichiro Hirosawa, Tsutomu Mitsui | 1985-07-16 |
| 4518068 | Automatic clutch control system | Kouichiro Hirosawa, Tsutomu Mitsui | 1985-05-21 |
| 4485793 | Supercharger control system for automobiles | — | 1984-12-04 |
| 4480504 | System for controlling transmission ratio of transmission for automotive vehicles | — | 1984-11-06 |
| 4475637 | Automatic clutch control system | Kouichiro Hirosawa, Tsutomu Mitsui | 1984-10-09 |
| 4466312 | System for controlling transmission ratio of transmission for automotive vehicles | — | 1984-08-21 |
| 4304016 | Sanitary cleansing spraying device for use in toilets | Shinji Kawai, Hisanobu Takeda | 1981-12-08 |
| 4286749 | Automatic fluid mixing valves | — | 1981-09-01 |
| 4208746 | Human body irrigation system | Naoki Minamoto, Naoji Sakakibara | 1980-06-24 |