Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6736448 | Body frame structure for a vehicle and method for manufacturing thereof | Katsunori Hanakawa, Takayuki Sunakawa, Yukihiro Sugimoto | 2004-05-18 |
| 6723175 | Formed member made of steel sheet and method for producing same | Katsunori Hanakawa, Mitsugi Fukahori | 2004-04-20 |
| 6619370 | Method and apparatus for semi-molten metal injection molding | Kazuo Sakamoto, Yukio Yamamoto | 2003-09-16 |
| 6470956 | Method and apparatus for semi-molten metal injection molding | Kazuo Sakamoto, Yukio Yamamoto | 2002-10-29 |
| 6334478 | Mold structure for injection molding of a light alloy and method of injection molding a light alloy using the same | Kazuo Sakamoto, Yukio Yamamoto | 2002-01-01 |
| 6306231 | Method of producing light metal alloy material for plastic working and plastic-worked product | Kazuo Sakamoto, Yukio Yamamoto, Makoto Fujita | 2001-10-23 |
| 6298901 | Method and apparatus for semi-molten metal injection molding | Kazuo Sakamoto, Yukio Yamamoto | 2001-10-09 |
| 6296299 | Frame structure for vehicle body | Katsunori Hanakawa, Mitsugi Fukahori, Yukio Yamamoto | 2001-10-02 |
| 5979535 | Methods for semi-melting injection molding | Kazuo Sakamoto, Yukio Yamamoto | 1999-11-09 |
| 5297338 | Method of connecting metal ring gear to metal boss portion | Yoshihisa Miwa | 1994-03-29 |
| 4876876 | Dies for forging gear-shaped part made of sheet metal | Shinya Kodama | 1989-10-31 |