Issued Patents All Time
Showing 26–50 of 74 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5083620 | Cordless power driven tool | Michio Okumura | 1992-01-28 |
| D323276 | Cordless screwdriver | Michio Okumura | 1992-01-21 |
| D321816 | Tree pruner | Koji Haneda | 1991-11-26 |
| 5065082 | Voltage-switching mechanism for a battery charger for charging batteries with different volt ratings | — | 1991-11-12 |
| D320917 | Cordless screwdriver | Kiyotaka Ichikawa | 1991-10-22 |
| D320727 | Portable electric grinder | Yoshio Yokoyama | 1991-10-15 |
| 5054352 | Miter saw | Katuyasu Ito, Mitsuyoshi Niinomi | 1991-10-08 |
| 5018314 | Sander | Shinobu Yamaguchi | 1991-05-28 |
| D316507 | Portable band saw | Katsuyasu Ito, Yoshinori Shibata | 1991-04-30 |
| D316020 | Portable electric hammer drill | Takashi Yamazaki, Mikio Saito | 1991-04-09 |
| 5005295 | Portable power driven tool | — | 1991-04-09 |
| 5004140 | Electrically-operated tacker | Yoshio Yokoyama, Akihito Hara | 1991-04-02 |
| D315855 | Portable electric wrench | Shigeki Yamauchi | 1991-04-02 |
| 4986369 | Torque adjusting mechanism for power driven rotary tools | Michio Okumura | 1991-01-22 |
| D313538 | Hedge trimmer | Hideki Ohkubo | 1991-01-08 |
| 4977358 | Switching circuit for varying rotational speed of motor | Akiharu Hayashi, Fumiaki Itsuki, Kunio Nagata | 1990-12-11 |
| 4962588 | Portable reciprocating saw | Takashi Yamazaki, Mitsuyoshi Shibata | 1990-10-16 |
| D310509 | Portable battery case | Hajime Ohta | 1990-09-11 |
| D309310 | Lawn mower | Takashi Yamazaki, Katsuyasu Ito, Matsuo Ohashi | 1990-07-17 |
| D308622 | Electric screwdriver | Hiroya Yabumoto | 1990-06-19 |
| 4934494 | Combined locking mechanism and switch especially for power tools | Akiharu Hayashi, Michio Okumura, Yukimi Amano, Yasumichi Fukuma, Shinya Hamazaki | 1990-06-19 |
| D308469 | Electric reciprocating saw | Motoyuki Tomita | 1990-06-12 |
| 4930583 | Portable battery-powered tool | Takashi Yamazaki, Mikio Saito | 1990-06-05 |
| 4926075 | Electric motor brush assembly adaptable to different stators | Kenji Yoshida, Akira Naitoh, Tetsuya Sawa | 1990-05-15 |
| D307463 | Electric sprayer | Katsumi Tozawa | 1990-04-24 |