Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12319017 | Method for manufacturing SMC | Hiroyuki Nakao, Yasushi Watanabe, Tadao Samejima | 2025-06-03 |
| 12179388 | SMC manufacturing method | Junji Kanehagi, Yasushi Watanabe, Tadao Samejima | 2024-12-31 |
| 12023876 | Method for producing fiber-reinforced resin molding material, and apparatus for producing fiber-reinforced resin molding material | Junji Kanehagi, Tadao Samejima | 2024-07-02 |
| 11919255 | Method and apparatus for producing fiber-reinforced resin molding material | Tadao Samejima, Yasushi Watanabe, Junji Kanehagi | 2024-03-05 |
| 11660783 | Fiber-reinforced resin material molding, method for manufacturing fiber-reinforced resin material molding, and method for manufacturing fiber-reinforced resin material | Tadao Samejima, Yasushi Watanabe, Junji Kanehagi, Takayuki Kobayashi | 2023-05-30 |
| 11518116 | Method and apparatus for producing fiber-reinforced resin molding material | Tadao Samejima, Yasushi Watanabe, Junji Kanehagi | 2022-12-06 |
| 10933563 | Fiber-reinforced resin material molding, method for manufacturing fiber-reinforced resin material molding, and method for manufacturing fiber-reinforced resin material | Tadao Samejima, Yasushi Watanabe, Junji Kanehagi, Takayuki Kobayashi | 2021-03-02 |
| 10927479 | Producing device and producing method for chopped fiber bundles, producing device and producing method for fiber-reinforced resin forming materials, cutting blade for carbon fiber bundles, and rotary cutter for carbon fiber bundles | Tadao Samejima, Ryuichi Ishikawa, Hiroshi Iwata, Masatoshi Kamata, Yasushi Watanabe +1 more | 2021-02-23 |
| 10889025 | Method for manufacturing fiber-reinforced resin molding material, and device for manufacturing fiber-reinforced resin molding material | Tadao Samejima, Yasushi Watanabe, Junji Kanehagi, Masatoshi Kamata | 2021-01-12 |
| 10604871 | Process for steam drawing carbon-fiber precursor acrylic fiber bundle | Akishige Tada | 2020-03-31 |
| 9388516 | Method for producing carbon-fiber-precursor acrylic fiber bundle | Akira Miyauchi, Isao Ooki, Akishige Tada | 2016-07-12 |
| 9175429 | Apparatus for pressure steam treatment of fiber bundle and producing method of carbon fiber precursor fiber bundle | Atsushi Kawamura, Hiromasa Inada | 2015-11-03 |
| 9032596 | Steam drawing apparatus | Akishige Tada, Isao Ooki | 2015-05-19 |
| 8839492 | Apparatus for pressure steam treatment of carbon fiber precursor acryl fiber bundle and method for producing acryl fiber bundle | Atsushi Kawamura, Hiromasa Inada | 2014-09-23 |