Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9068615 | Spring having excellent corrosion fatigue strength | Takanori Kuno | 2015-06-30 |
| 8936236 | Coil spring for automobile suspension and method of manufacturing the same | Tomohiro Nakano, Takayuki Sakakibara, Takanori Kuno, Shingo Mimura | 2015-01-20 |
| 8789817 | Spring steel and spring having superior corrosion fatigue strength | Takanori Kuno, Tomohiro Nakano, Takayuki Sakakibara, Shingo Mimura | 2014-07-29 |
| 8349095 | Spring steel and spring having superior corrosion fatigue strength | Tomohiro Nakano, Takanori Kuno, Takayuki Sakakibara, Shingo Mimura | 2013-01-08 |
| 8328169 | Spring steel and spring having superior corrosion fatigue strength | Takanori Kuno, Tomohiro Nakano, Takayuki Sakakibara, Shingo Mimura | 2012-12-11 |
| 8192840 | Spring with high durability and method of coating the same | Yasuhiko Kunita, Takayuki Sakakibara, Yuichi Kondo, Norio Sawatari | 2012-06-05 |
| 7776440 | Spring coated with powder coating of epoxy resin and thermoplastic resin | Yasuhiko Kunita, Takayuki Sakakibara, Yuichi Kondo, Norio Sawatari | 2010-08-17 |
| 7699943 | Method for manufacturing high-strength spring | Tomohiro Nakano, Takayuki Sakakibara | 2010-04-20 |
| 7407555 | Oil tempered wire for cold forming coil springs | Hidetoshi Yoshikawa, Tomohiro Nakano, Takayuki Sakakibara | 2008-08-05 |
| 7013236 | Methods and apparatus for calculating routing arrangements for control cables | Kazuyoshi Nono, Yoshikatsu Tsuge, Takayuki Ashikawa, Yoshio Misaki | 2006-03-14 |
| 6224686 | High-strength valve spring and it's manufacturing method | Toshinori Aoki, Takayuki Sakakibara | 2001-05-01 |
| 6193816 | Spring with corrosion fatigue strength | Tomohiro Nakano, Takayuki Sakakibara | 2001-02-27 |
| 5722786 | Universal joint | Katsuyuki Kono | 1998-03-03 |