Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6637111 | Method for making a boom of an excavator | Toshio Tanaka, Tatsushi Itoh, Nobuyoshi Masumoto | 2003-10-28 |
| 6536652 | Structure for working unit for bucket excavators and method for manufacturing the same | Toshio Tanaka, Tatsushi Itoh, Nobuyoshi Masumoto | 2003-03-25 |
| 6508019 | Boom of bucket type excavator and method for making same | Toshio Tanaka, Tatsushi Itoh, Nobuyoshi Masumoto | 2003-01-21 |
| 6349489 | Structure for working unit for bucket excavators and method for manufacturing the same | Toshio Tanaka, Tatsushi Itoh, Nobuyoshi Masumoto | 2002-02-26 |
| 6189798 | Thermostat device | Mitsuhiro Sano, Masanori Takahashi, Yasuharu Uomori | 2001-02-20 |
| D412913 | Arm of excavator | — | 1999-08-17 |
| D410240 | Boom of excavator | — | 1999-05-25 |
| 5822892 | Working vehicle | Youjirou Ohbatake | 1998-10-20 |
| 5584643 | Working tool unit of construction machine | Satoru Nishimura | 1996-12-17 |