Issued Patents All Time
Showing 1–20 of 20 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6596408 | Reinforcing material for wood and reinforced wood | Yoshihiro Endoh, Kazunori Taniguchi, Shigehisa Ishihara, Isamu Ide, Hideo Getto +1 more | 2003-07-22 |
| 6287677 | Carbon fiber prepeg for wood reinforcement, wooden sheet laminated therewith, wood reinforcing composite comprising carbon fibers and the wooden sheet, and carbon fiber reinforced wood | Shigehisa Ishihara, Yoshihiro Endoh, Isamu Ide, Hideo Getto, Satoshi Saito | 2001-09-11 |
| 5167945 | Method for producing graphite fiber | Tetsuro Shigei, Tomoaki Kanno | 1992-12-01 |
| 5078840 | Process for the surface treatment of carbon fiber strands | Tetsuro Shigei, Tomoki Koseki | 1992-01-07 |
| 5030282 | Carbon fiber-reinforced cementitious composite and method for producing the composite | Toshikazu Matsuhashi, Kuniomi Suzuki, Kazuhisa Saito, Masahide Aga, Teruo Yamamiya +2 more | 1991-07-09 |
| 4898723 | Method for producing high strength, high modulus mesophase-pitch based carbon fibers | Yoshinori Suto, Toshiyuki Ito, Hideyuki Nakajima, Keiichiro Okamura, Shin-ichi Nayuki +1 more | 1990-02-06 |
| 4892722 | Method for producing high strength, high modulus mesophase-pitch-based carbon fibers | Yoshinori Suto, Toshiyuki Ito, Hideyuki Nakajima, Yoshiyuki Suzuki, Shin-ichi Nayuki +1 more | 1990-01-09 |
| 4891267 | Carbon fiber cord for rubber reinforcement and process for producing the same | Shuji Takahashi, Yasuo Suzuki, Kazuhiro Ichimaru | 1990-01-02 |
| 4883712 | Carbon fiber cord for rubber reinforcement | Yasuo Kogo, Shuji Takahashi, Yasuo Suzuki | 1989-11-28 |
| 4861809 | Friction material | Kenji Shimazaki, Kenji Niijima | 1989-08-29 |
| 4830845 | Precursor for production of preoxidized fibers or carbon fibers | Tetsuro Shigei | 1989-05-16 |
| 4682681 | Escalator | Katsuya Teranishi, Kazuhira Ozima, Cyuichi Saito | 1987-07-28 |
| 4671950 | High-strength carbonaceous fiber | Tetsuro Shigei, Hiroshi Sugeno, Kazuhiro Ichimaru | 1987-06-09 |
| 4536448 | Preoxidized fiber and process for producing the same | Tetsuro Shigei, Hayashi Takahashi, Tetuya Okabe, Fumio Miyatake | 1985-08-20 |
| 4520623 | Activated carbon fiber spun yarn | Kazuo Izumi, Kenji Shimazaki | 1985-06-04 |
| 4460650 | Acrylonitrile fibers, a process for producing acrylonitrile fibers, as well as producing peroxidized fibers, fibrous active carbon or carbon fibers therefrom | Kazuo Izumi, Kenzi Shimazaki | 1984-07-17 |
| 4420512 | Emulsion type sizing agent for carbon fibers, process for its preparation, and method for using same | Mikio Shima | 1983-12-13 |
| 4401533 | Surface-treatment of carbon fiber | Kazuhisa Saito, Tetsuro Shigei | 1983-08-30 |
| 4397831 | Production of carbon fibers from acrylonitrile based fibers | Kazuhisa Saito | 1983-08-09 |
| 4321446 | Apparatus for production of graphite fibers | Kazuo Nonaka, Hiroto Noda | 1982-03-23 |