Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8585835 | High-strength steel machined product and method for manufacturing the same, and method for manufacturing diesel engine fuel injection pipe and common rail | Koh-ichi Sugimoto, Sho Sato, Goro Arai | 2013-11-19 |
| 7431781 | Method for forming a common-rail injection system for diesel engine | Masayoshi Usui, Kikuo Asada | 2008-10-07 |
| 7125051 | Common-rail injection system for diesel engine | Masayoshi Usui, Kikuo Asada | 2006-10-24 |
| 6918378 | High-pressure fuel injection pipe | Masayoshi Usui, Kikuo Asada | 2005-07-19 |
| 6604499 | Oil-through type push rod | Kazuo Suzuki, Iyoshi Watanabe | 2003-08-12 |
| 6470859 | Fuel delivery rail assembly | Izumi Imura, Yoshiyuki Serizawa, Kazuteru Mizuno, Yasushi Sakamoto, Hideo Ryu +1 more | 2002-10-29 |
| 6397896 | Heat and corrosion resistant steel pipe having multi-layered coating | Seiya Takahata, Masayoshi Usui | 2002-06-04 |
| 6357801 | Flared connection structure of pipe end portion | Masaaki Akiyama, Kazuteru Mizuno, Hiroaki Kondo, Kazunori Takikawa | 2002-03-19 |
| 6354273 | Fuel delivery rail assembly | Izumi Imura, Yoshiyuki Serizawa, Kazuteru Mizuno, Yasushi Sakamoto, Hideo Ryu +1 more | 2002-03-12 |
| 6240972 | Multi-wound metal tube | Kazunori Takikawa | 2001-06-05 |
| 6041827 | Multi-layered metallic pipe and method of coating the metallic pipe | Masaaki Akiyama, Masashi Kajiyama | 2000-03-28 |
| 5422192 | Steel product with heat-resistant, corrosion-resistant plating layers | Seiya Takahata | 1995-06-06 |
| 5314108 | Method of producing welded tube with excellent corrosion-resistant inner surface | Kazunori Takikawa | 1994-05-24 |
| 4853297 | Multilayer coated corrosion resistant metal pipe | Masashi Kajiyama | 1989-08-01 |
| 4795503 | Seam welded steel pipe proofed against corrosion and provided with coating for preventing fluid from oxidation and method for production thereof | Toshihiko Mizuhashi | 1989-01-03 |