Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5728699 | Benzylsulfide derivative, process for its production and pesticide | Keiji Toriyabe, Naoshi Masuyama, Akihide Nagai, Hiroyuki Yano, Mieko Kawashima +2 more | 1998-03-17 |
| 4948574 | Method of manufacturing of pitch-base carbon fiber | Toru Sawaki | 1990-08-14 |
| 4840762 | Process for preparation of high-performance grade carbon fibers | Toru Sawaki, Tsutomu Nakamura, Jiro Sadanobu | 1989-06-20 |
| 4628001 | Pitch-based carbon or graphite fiber and process for preparation thereof | Toru Sawaki, Yoshiaki Yoshioka | 1986-12-09 |
| 4590055 | Pitch-based carbon fibers and pitch compositions and precursor fibers therefor | Yasuhiro Yamada, Takeshi Imamura, Hidemasa Honda, Toru Sawaki | 1986-05-20 |
| 4507467 | Wholly aromatic halogenated polyamide fiber and film | Keizo Shimada, Hiroshi Mera, Toru Sawaki, Akihiro Aoki | 1985-03-26 |
| 4498957 | Aromatic polyamide paper-like sheet and processes for producing the same | Keizo Shimada | 1985-02-12 |
| 4482603 | Wholly aromatic polyamide fiber non-woven sheet and processes for producing the same | Tsugushi Yoshida, Toru Sawaki, Keizo Shimada | 1984-11-13 |
| 4398995 | Papery product | Tsutomu Nakamura, Keizo Shimada, Yuzo Aito, Yutaka Tabe | 1983-08-16 |
| 4337155 | Chemical-resistant wholly aromatic polyamide fiber material | Yorikazu Tamura, Keizo Shimada | 1982-06-29 |