Issued Patents All Time
Showing 26–36 of 36 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5324873 | Azeotropic mixture of hydrogen fluoride and 1,1,1-trifluoro-2-chloroethane and process for purification of 1,1,1-trifluoro-2-chloroethane | Takehide Tsuda, Nobuyoshi Iwashita, Satoshi Komatsu | 1994-06-28 |
| 5185483 | Process for preparing pentafluorodichloropropanes | Hirokazu Aoyama, Takashi Yasuhara, Satoru Kono, Souichi Ueda | 1993-02-09 |
| 5177274 | Process for preparing pentafluorodichloropropanes | Hirokazu Aoyama, Satoru Kono | 1993-01-05 |
| 5151206 | Acicular iron carbide particulate material and process for producing same | Kazuo Okamura, Ikuo Kitamura, Hideki Aomi, Katsushi Tokunaga, Yoshiyuki Shibuya +1 more | 1992-09-29 |
| 5026605 | Coated iron carbide fine particles | Ikuo Kitamura, Hideki Aomi, Katsushi Tokunaga, Kazuo Okamura | 1991-06-25 |
| 4967025 | Purification method of carbon fluorides | Tadayuki Maeda, Kazuo Okamura | 1990-10-30 |
| 4842759 | Acicular process for producing particulate material | Kazuo Okamura, Ikuo Kitamura, Hideki Aomi, Katsushi Tokunaga, Yoshiyuki Shibuya +1 more | 1989-06-27 |
| 4840837 | Heat transfer medium | Noriatsu Tanaka, Masami Tokunaga, Tsuyoshi Tanaka, Keiichi Kikuchi | 1989-06-20 |
| 4770959 | Lithium-fluorinated graphite cell | Tadayuki Maeda, Kazuo Okamura | 1988-09-13 |
| 4684591 | Active materials for batteries | Kazuo Okamura, Tadayuki Maeda, Tutomu Kamihigoshi | 1987-08-04 |
| 4668414 | Process for producing acicular particles containing an iron carbide | Kazuo Okamura, Ikuo Kitamura, Hideki Aomi, Katsushi Tokunaga | 1987-05-26 |