Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D332147 | Bay window | Yoshitsugu Utsumi, Masakazu Makino | 1992-12-29 |
| D331468 | Bay window | Yoshitsugu Utsumi, Masakazu Makino | 1992-12-01 |
| 5161593 | Shutter assembly for a bay window | Yoshitsugu Utsumi, Masakazu Makino, Hirosaburou Mori | 1992-11-10 |
| 4912920 | Ultrasonic burner system for regenerating a filter | — | 1990-04-03 |
| 4783003 | Ultrasonic injecting method and injection nozzle | Masami Endo, Kakuro Kokubo | 1988-11-08 |
| 4756478 | Vibrating element for use on an ultrasonic injection nozzle | Masami Endo, Kakuro Kokubo, Yoshinobu Nakamura, Daijiro Hosogai | 1988-07-12 |
| 4733820 | Vibrating element for use on an ultrasonic injection nozzle | Masami Endo, Kakuro Kokubo, Yoshinobu Nakamura, Daijiro Hosogai | 1988-03-29 |
| 4726523 | Ultrasonic injection nozzle | Kakuro Kokubo, Masami Endo, Yoshinobu Nakamura, Daijiro Hosogai | 1988-02-23 |
| 4702414 | Utrasonic injecting method and injection nozzle | Masami Endo, Kakuro Kokubo | 1987-10-27 |
| 4267031 | Coking process | Hiroshi Yamaguchi, Masahiko Uemura | 1981-05-12 |