Issued Patents All Time
Showing 1–24 of 24 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5723568 | Polyamide solution composition and methods for producing fibrids and paper-like sheets using the same | Jiro Sadanobu, Tsugusi Yosida, Yuzo Aito | 1998-03-03 |
| 5365001 | Method for preparing dialkylnaphthalene | Koji Sumitani, Seiji Itoh, Kimihiko Sato, Risuke Suzuki, Akio Namatame | 1994-11-15 |
| 5329058 | Process for producing alkenylbenzene | Koji Sumitani, Seiji Itoh, Kazuhiro Sato | 1994-07-12 |
| 5091271 | Shaped silion carbide-eased ceramic article | Toru Sawaki, Akio Nakaishi, Takashi Watanabe | 1992-02-25 |
| 4897229 | Process for producing a shaped silicon carbide-based ceramic article | Toru Sawaki, Akio Nakaishi, Takashi Watanabe | 1990-01-30 |
| 4826892 | Polycarbosilastyrene copolymer, method for producing the same, and process for producing shaped silicon carbide article from the same | Toshihiro Aoyama, Hidetsugu Yoshida | 1989-05-02 |
| 4743411 | Process for producing shaped silicon carbide article from a polycarbosilastyrene copolymer | Toshihiro Aoyama, Hidetsugu Yoshida | 1988-05-10 |
| 4532275 | Fiber-reinforced composite materials | Yuzo Aito | 1985-07-30 |
| 4529763 | Aromatic polyamide composition and processes for preparing film and fiber therefrom | Yorikazu Tamura, Akihiro Aoki | 1985-07-16 |
| 4507467 | Wholly aromatic halogenated polyamide fiber and film | Hideharu Sasaki, Hiroshi Mera, Toru Sawaki, Akihiro Aoki | 1985-03-26 |
| 4498957 | Aromatic polyamide paper-like sheet and processes for producing the same | Hideharu Sasaki | 1985-02-12 |
| 4482603 | Wholly aromatic polyamide fiber non-woven sheet and processes for producing the same | Tsugushi Yoshida, Hideharu Sasaki, Toru Sawaki | 1984-11-13 |
| 4413114 | Aromatic copolyamide containing 3,4'-diphenylene moiety | Hiroshi Mera, Noriaki Sasaki, Akihiro Aoki | 1983-11-01 |
| 4398995 | Papery product | Hideharu Sasaki, Tsutomu Nakamura, Yuzo Aito, Yutaka Tabe | 1983-08-16 |
| 4389521 | Process for preparing a cyclic amide polar solvent composition | Hiroshi Mera, Tsutomu Nakamura, Akihiro Aoki | 1983-06-21 |
| 4355151 | Aromatic copolyamide containing 3,4'-diamino diphenylene moiety | Hiroshi Mera, Noriaki Sasaki, Akihiro Aoki | 1982-10-19 |
| 4342715 | Process for preparing wholly aromatic polyamide shaped articles | Akihiro Aoki, Hiroshi Mera, Tsutomu Nakamura | 1982-08-03 |
| 4337155 | Chemical-resistant wholly aromatic polyamide fiber material | Hideharu Sasaki, Yorikazu Tamura | 1982-06-29 |
| 4324706 | Friction material | Yutaka Tabe, Hiromitsu Takamoto, Yasusaburo Sugita | 1982-04-13 |
| 4309476 | Core-in-sheath type aromatic polyamide fiber and process for producing the same | Tsutomu Nakamura, Yasuo Nakagawa, Osamu Kai | 1982-01-05 |
| 4291142 | Crosslinked aromatic polyamide film and process for producing the same | Yorikazu Tamura, Akihiro Aoki | 1981-09-22 |
| 4278779 | Aromatic polyamide composition | Yasuo Nakagawa, Tsutomu Nakamura, Kichiro Matsuda | 1981-07-14 |
| 4250073 | Aromatic polyamide composition having polar amide and halogenated hydrocarbon mixed solvent | Yorikazu Tamura, Akihiro Aoki, Hiroshi Mera | 1981-02-10 |
| 4245066 | Wholly aromatic polyamide blend composition | Yasuo Nakagawa, Tsutomu Nakamura | 1981-01-13 |