Issued Patents All Time
Showing 76–82 of 82 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5076168 | Shielding sheet for blasting operation | Yutaka Aiga | 1991-12-31 |
| 5075904 | Helmet with reinforcement | Yoshikazu Shirasaki | 1991-12-31 |
| 5031720 | Speaker diaphragm | Shuhei Ohta, Masakatu Sakamoto, Shiro Iwakura, Yoshikazu Shirasaki | 1991-07-16 |
| 4801491 | Water-resistant and high-strength laminate | Toshikiyo Tanaka, Hiroshi Yasuda | 1989-01-31 |
| 4625085 | Material for high frequency suppression and distributor for combustion engine composed of the same material | Morihiro Atsumi, Shunzo Yamaguchi, Naotaka Nakamura, Kenji Yagi | 1986-11-25 |
| 4576467 | Liquid developing apparatus | Masahiro Yamasaki, Iwao Hirose, Masao Fukushima | 1986-03-18 |
| 4308334 | Method of sensitizing zinc oxide with sensitizing dye and photosensitive layers utilizing the sensitized zinc oxide | Koichi Kinoshita | 1981-12-29 |