Issued Patents All Time
Showing 1–25 of 25 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11980929 | Manufacturing method for hollow rack bar and hollow rack bar manufacturing apparatus | Toshifumi Uemoto, Nobumoto Ishiki | 2024-05-14 |
| 10612642 | Method for manufacturing rack and hollow rack bar | Ryosuke Suzuki, Kenichi Aoki | 2020-04-07 |
| 10562138 | Method for manufacturing rack bar | Makoto Nomura, Ryosuke Suzuki, Nobumoto Ishiki | 2020-02-18 |
| 10449995 | Hollow rack bar and method of manufacturing the hollow rack bar | Takashi Kato | 2019-10-22 |
| 10060518 | Rack bar and rack bar teeth forming die | Makoto Nomura, Ryosuke Suzuki | 2018-08-28 |
| 9920826 | Hollow rack bar and method of manufacturing hollow rack bar | Makoto Nomura, Kenichi Aoki | 2018-03-20 |
| 9328815 | Rack bar and rack bar teeth forming die | Makoto Nomura, Ryosuke Suzuki | 2016-05-03 |
| 9316294 | Rack bar and rack bar teeth forming die | Makoto Nomura, Ryosuke Suzuki | 2016-04-19 |
| 9046157 | Mandrel, set of mandrels, and hollow rack bar | — | 2015-06-02 |
| 8677797 | Hollow rack manufacturing method and manufacturing apparatus | Takuya Nakamizo | 2014-03-25 |
| 8595936 | Hollow rack end diameter reducing method | Ryosuke Suzuki, Tetsuji Murata, Tsuyoshi Yamamoto, Yutaka Kiyosawa | 2013-12-03 |
| 8499660 | Hollow rack and hollow rack manufacturing method | Ryosuke Suzuki, Tetsuji Murata, Tsuyoshi Yamamoto, Yutaka Kiyosawa | 2013-08-06 |
| 8365573 | Mandrel, set of mandrels, and hollow rack bar | — | 2013-02-05 |
| 8104369 | Hollow rack, hollow rack end diameter reducing method, hollow rack end diameter reducing apparatus, and hollow rack manufacturing method | Ryosuke Suzuki, Tetsuji Murata, Tsuyoshi Yamamoto, Yutaka Kiyosawa | 2012-01-31 |
| 6502473 | Rack bar and manufacturing method thereof | Kazuhiro Akiyama, Tomomi Fujii | 2003-01-07 |
| 6317979 | Method of manufacturing a hollow rack bar | — | 2001-11-20 |
| 5330949 | Method for producing polyolefin | Hideo Funabashi, Akira Tanaka, Rikuo Ohnishi, Toshikazu Kasahara | 1994-07-19 |
| 5241024 | Method for producing butene-1 polymer | Hideki Imabayashi | 1993-08-31 |
| 5202370 | Butene-1 copolymer composition | Nobumasa Kita | 1993-04-13 |
| 5093189 | Butene-1 polymer film and laminated film thereof | — | 1992-03-03 |
| 5030506 | Polyolefin type resin laminate | Komei Yamasaki | 1991-07-09 |
| 4975492 | Butene-1 copolymer composition | Masahiko Kondo | 1990-12-04 |
| 4943615 | Olefin copolymer composition | — | 1990-07-24 |
| 4906429 | Process for producing blown film of butene-1 polymer | Takeshi Yamada | 1990-03-06 |
| 4550143 | Composition comprising ethylene-based polymers | Kenji Tanaka, Akinobu Sugawara | 1985-10-29 |