Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8936236 | Coil spring for automobile suspension and method of manufacturing the same | Tomohiro Nakano, Takanori Kuno, Shingo Mimura, Masami Wakita | 2015-01-20 |
| 8789817 | Spring steel and spring having superior corrosion fatigue strength | Takanori Kuno, Tomohiro Nakano, Masami Wakita, Shingo Mimura | 2014-07-29 |
| 8349095 | Spring steel and spring having superior corrosion fatigue strength | Tomohiro Nakano, Takanori Kuno, Masami Wakita, Shingo Mimura | 2013-01-08 |
| 8328169 | Spring steel and spring having superior corrosion fatigue strength | Takanori Kuno, Tomohiro Nakano, Masami Wakita, Shingo Mimura | 2012-12-11 |
| 8192840 | Spring with high durability and method of coating the same | Yasuhiko Kunita, Masami Wakita, Yuichi Kondo, Norio Sawatari | 2012-06-05 |
| 7908081 | Navigation apparatus, navigation system and route search method | Akio Sumizawa, Kenichi Maruta | 2011-03-15 |
| 7776440 | Spring coated with powder coating of epoxy resin and thermoplastic resin | Yasuhiko Kunita, Masami Wakita, Yuichi Kondo, Norio Sawatari | 2010-08-17 |
| 7699943 | Method for manufacturing high-strength spring | Tomohiro Nakano, Masami Wakita | 2010-04-20 |
| 7407555 | Oil tempered wire for cold forming coil springs | Hidetoshi Yoshikawa, Tomohiro Nakano, Masami Wakita | 2008-08-05 |
| 6224686 | High-strength valve spring and it's manufacturing method | Toshinori Aoki, Masami Wakita | 2001-05-01 |
| 6193816 | Spring with corrosion fatigue strength | Tomohiro Nakano, Masami Wakita | 2001-02-27 |
| 6090527 | Electron beam exposure mask and method of manufacturing the same and electron beam exposure method | Satoru Yamazaki, Kiichi Sakamoto, Hiroshi Yasuda, Satoru Sagoh | 2000-07-18 |
| 6087048 | Method of producing block mask for electron-beam lithography apparatuses | Yoshio Suzaki, Kiichi Sakamoto | 2000-07-11 |
| 5952155 | Mask and method of creating mask as well as electron-beam exposure method and electron-beam exposure device | Satoru Sagoh, Satoru Yamazaki, Kiichi Sakamoto, Hiroshi Yasuda | 1999-09-14 |
| 5849437 | Electron beam exposure mask and method of manufacturing the same and electron beam exposure method | Satoru Yamazaki, Kiichi Sakamoto, Hiroshi Yasuda, Satoru Sagoh | 1998-12-15 |
| 5824437 | Mask and method of creating mask as well as electron-beam exposure method and electron-beam exposure device | Satoru Sagoh, Satoru Yamazaki, Kiichi Sakamoto, Hiroshi Yasuda | 1998-10-20 |