Issued Patents All Time
Showing 101–125 of 173 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4949981 | Oil seal | — | 1990-08-21 |
| 4936271 | Portable powered working machine | Hiroaki Koga, Tsutomu Ogata | 1990-06-26 |
| 4909201 | Recoil starter | Junichi Akaike | 1990-03-20 |
| 4905424 | Rotary tool cover | Fujio Sasaki | 1990-03-06 |
| H749 | Oil seal | — | 1990-03-06 |
| 4901760 | Reed valve means | — | 1990-02-20 |
| 4901691 | Device for mounting internal combustion engine on working machine | — | 1990-02-20 |
| 4898803 | Light-sensitive o-quinone diazide composition with acidic polyurethane resin | Toshiaki Aoai, Keitaro Aoshima | 1990-02-06 |
| 4896426 | Vibration-isolating attachment means for handle of chain-saw | — | 1990-01-30 |
| RE33103 | Strainer | — | 1989-10-31 |
| 4866921 | Mowing apparatus | Keisuke Ishii | 1989-09-19 |
| 4847999 | Chain saw | — | 1989-07-18 |
| 4843718 | Automatic sharpener for chain saw | Junichi Akaike | 1989-07-04 |
| 4835868 | Saw chain tensioner of chain saw | — | 1989-06-06 |
| 4835866 | Device for mounting carburetor on internal combustion engine | — | 1989-06-06 |
| 4830212 | Working machine | Fujio Kobayashi | 1989-05-16 |
| 4819589 | Suction system for internal combustion engine | — | 1989-04-11 |
| 4813139 | Chain saw | — | 1989-03-21 |
| 4809438 | Rotary cutter and support | Fujio Sasaki | 1989-03-07 |
| 4793303 | Elbow for carburettor | — | 1988-12-27 |
| 4793064 | Chain saw safety braking device | — | 1988-12-27 |
| 4788951 | Means for mounting carburetor on working machine with internal combustion engine | — | 1988-12-06 |
| 4787924 | Air cleaner | Keisuke Ishii | 1988-11-29 |
| 4785539 | Chain saw handle | — | 1988-11-22 |
| 4783207 | Air cleaner | Fujio Sasaki | 1988-11-08 |