Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5133153 | Opening/closing device of a door member | — | 1992-07-28 |
| 5064255 | Opening/closing device of a door member | Yoshio Inui, Masayoshi Osaka, Mitsuo Tanaka, Masao Miyamoto, Tooru Hasegawa +2 more | 1991-11-12 |
| 5033272 | Freezer-refrigerator | Masaharu Yoshikawa, Kazuo Sugimoto, Shinya Takagi, Hiroyuki Yoshida | 1991-07-23 |
| 4891952 | Freezer-refrigerator | Masaharu Yoshikawa, Kazuo Sugimoto, Shinya Takagi, Hiroyuki Yoshida | 1990-01-09 |