Issued Patents All Time
Showing 1–25 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8607539 | Organopolysiloxane composition and process for producing rope structure with the same | Akihiro Uehata, Yuji Ogino, Mariko Mine, Youichi Yamamoto | 2013-12-17 |
| 7824769 | Conductive sheath-core conjugate fiber and process for producing the same | Hitoshi Nakatsuka, Tadayoshi Koizumi, Kazuhiko Tanaka, Nobuhiro Koga, Kenichi Yoshioka | 2010-11-02 |
| 7767298 | Electrically conductive composite fiber and process for producing the same | Hitoshi Nakatsuka, Tadayoshi Koizumi, Kazuhiko Tanaka, Nobuhiro Koga, Kenichi Yoshioka | 2010-08-03 |
| 6811874 | Composite fiber | Kazuhiko Tanaka, Hitoshi Nakatsuka, Nobuhiro Koga, Ichirou Inoue, Tateki Yamakawa | 2004-11-02 |
| 6635204 | Process of making hollow fibers and treating fibers | Kazuhiko Tanaka, Hitoshi Nakatsuka, Nobuhiro Koga, Akihiro Hokimoto, Tateki Yamakawa +2 more | 2003-10-21 |
| 6552123 | Thermoplastic polyvinyl alcohol fibers and method for producing them | Takashi Katayama, Kazuhiko Tanaka, Naoki Fujiwara, Tomoaki Kimura, Akihiro Hokimoto +5 more | 2003-04-22 |
| 6455156 | Hollow fibers and manufacturing method of hollow fibers | Kazuhiko Tanaka, Hitoshi Nakatsuka, Nobuhiro Koga, Akihiro Hokimoto, Tateki Yamakawa +2 more | 2002-09-24 |
| 6413634 | Electrically-conductive composite fiber | Kazuhiko Tanaka, Akihiro Hokimoto, Yoshiteru Matsuo | 2002-07-02 |
| 5567796 | Polyester fiber | Sigeki Nakatsukasa, Kenichi Yoshioka, Kiyoshi Hirakawa, Kazuhiko Tanaka, Nozomu Sugoh +2 more | 1996-10-22 |
| 5516571 | Honeycomb-like regenerative bed element | — | 1996-05-14 |
| 5464695 | Composite fiber containing inorganic fine powder | Kazuhiko Tanaka, Kiyoshi Hirakawa, Eiichirou Nakamura | 1995-11-07 |
| 5431147 | Burner device of regenerative and alternate combustion type | Ryoichi Tanaka | 1995-07-11 |
| 5410988 | Tubular furnace and method of controlling combustion thereof | Hiroshi Miyama, Tetsuhiko Ohki, Hitoshi Kaji, Ryosuke Shimizu, Ryoichi Tanaka +2 more | 1995-05-02 |
| 5318845 | Conductive composite filament and process for producing the same | Kazuhiko Tanaka, Yoshiteru Matsuo, Eiichirou Nakamura, Shoji Asano | 1994-06-07 |
| 5314170 | Steel heating furnace | Takeshi Tada, Toshikazu Akiyama, Ryoichi Tanaka | 1994-05-24 |
| 5304059 | Burner device of regenerative and alternate combustion type | Ryoichi Tanaka | 1994-04-19 |
| 5304420 | Vinyl alcohol unit-containing polymer fibers having high moisture absorption and high water absorption | Kiyoshi Hirakawa, Kazuhiko Tanaka, Tomoyasu Tsuda | 1994-04-19 |
| 5178945 | Polyester fiber having durable water absorbent property | Kazuhiko Tanaka | 1993-01-12 |
| 5153066 | Temperature-sensitive color-changeable composite fiber | Kazuhiko Tanaka, Kenji Hiramatsu, Tsutomu Kito, Kuniyuki Senga | 1992-10-06 |
| 5087519 | Ethylene-vinyl alcohol copolymer composite fiber and production thereof | Shinji Yamaguchi, Kiyoshi Hirakawa, Seiji Kashima, Kazuhiko Tanaka, Takao Akagi | 1992-02-11 |
| 5059482 | Composite fiber and process for producing the same | Kazuhiko Tanaka, Kiyoshi Hirakawa, Shinji Yamaguchi, Tomoyasu Takegami | 1991-10-22 |
| 5057369 | Heatsettable artificial hair and production thereof | Shinji Yamaguchi, Katsura Maeda, Masami Ohta | 1991-10-15 |
| 5047448 | Antimicrobial-shaped article and a process for producing the same | Kazuhiko Tanaka, Kiyoshi Hirakawa, Kiyoshi Takisawa, Takao Akagi | 1991-09-10 |
| 4916013 | Artificial hair and production thereof | Katsura Maeda, Sadao Sanada | 1990-04-10 |
| 4870947 | Radiant tube burner | — | 1989-10-03 |