Issued Patents All Time
Showing 26–34 of 34 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5076182 | Rotary hook | Tokuzo Hirose | 1991-12-31 |
| 5029544 | Oscillating loop taker for a sewing machine | — | 1991-07-09 |
| 4977127 | Catalyst for denitrizing nitrogen oxides contained in waste gases | Hiroaki Rikimaru, Tadao Nakatsuji, Toshikatsu Umaba, Kazuhiko Nagano, Kazuya Mishina | 1990-12-11 |
| 4952381 | Method for denitrizing nitrogen oxides contained in waste gas | Horiaki Rikimaru, Tadao Nakatsuji, Toshikatsu Umaba, Kazuhiko Nagano, Kazuya Mishina +11 more | 1990-08-28 |
| 4884520 | Loop taker and sewing machine | — | 1989-12-05 |
| 4859439 | Catalyst and a method for denitrizing nitrogen oxides contained in waste gases | Hiroaki Rikimaru, Tadao Nakatsuji, Toshikatsu Umaba, Kuzuhiko Nagano, Kazuya Mishina | 1989-08-22 |
| 4777895 | Method of sewing sheet material and an apparatus therefor | — | 1988-10-18 |
| 4700643 | Rotary hook | Tokuzo Hirose | 1987-10-20 |
| 4665850 | Rotary hook assembly | — | 1987-05-19 |