Issued Patents All Time
Showing 26–50 of 81 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D332736 | Portable vibrating chisel | — | 1993-01-26 |
| D332560 | Portable disk grinder | — | 1993-01-19 |
| 5161265 | Nozzle with sucker | Kuniaki Shibuya | 1992-11-10 |
| D329438 | Portable drill | Osamu Asano, Michihiro Shouji, Masunari Kowada | 1992-09-15 |
| D324982 | Air-operated chamfering tool | Katsunobu Kishi | 1992-03-31 |
| D324572 | Jet-nozzle for in-bath massaging | Kuniaki Shibuya | 1992-03-10 |
| D322206 | Portable power saw | Kenji Fukuda | 1991-12-10 |
| D321464 | Portable belt sander | — | 1991-11-12 |
| D321465 | Portable belt sander | — | 1991-11-12 |
| 5058220 | Jet nozzle apparatus | — | 1991-10-22 |
| 5031256 | Jet nozzle attachment | — | 1991-07-16 |
| D316854 | Wireless data transmitter/receiver with a bar code reader | Toshiharu Okuyama | 1991-05-14 |
| 4982461 | Bathtub having a pump, and bath system having a pump | Haruki Nakao | 1991-01-08 |
| D313067 | Quick release coupling | Naoyuki Kotake | 1990-12-18 |
| D309016 | Nozzle holder for in-bath massaging | Kuniaki Shibuya | 1990-07-03 |
| 4933999 | Massage-action shower head and massaging/shower apparatus | Kuniaki Shibuya | 1990-06-19 |
| 4854787 | Boring device | Yasumasa Ooki, Osamu Asano | 1989-08-08 |
| 4827905 | Outer glass pipes for solar heat collector pipes | Hirosato Takeuchi | 1989-05-09 |
| 4820088 | Boring device | Yasumasa Ooki, Osamu Asano | 1989-04-11 |
| 4807606 | Therapeutic appliance for improving functions of hand fingers | Tsuneo Hasegawa, Mitsuma Matsumura, Atsuki Hashimoto | 1989-02-28 |
| 4793746 | Boring device | Yasumasa Ooki, Osamu Asano | 1988-12-27 |
| 4789274 | Boring apparatus | Michihiro Shoji | 1988-12-06 |
| D298508 | Filing belt type grinder | Kenji Fukuda, Osamu Tamanaha | 1988-11-15 |
| 4780654 | Control apparatus for drilling machine | Michihiro Shoji | 1988-10-25 |
| 4770569 | Boring device | Yasumasa Ooki, Osamu Asano | 1988-09-13 |