Issued Patents All Time
Showing 25 most recent of 30 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6045867 | Fluorine compound--containing composite material and method for preparing same | Yong-Bo Chong, Sowjun Matsumura | 2000-04-04 |
| 5599489 | Preparing molded articles of fluorine-containing polymer with increased water-repellency | Yukinori Saiki, Mina Ichikawa, Massatsu Shimomura, Masahiro Ono | 1997-02-04 |
| 5589271 | Fluorine compound - containing composite material and method of preparing same | Yong-Bo Chong, Sowjun Matsumura | 1996-12-31 |
| 5498281 | Recording material containing carbonaceous powder whose surface is modified with fluorine gas | Hiroyuki Idogawa, Atsushi Wakata, Yong-Bo Chong | 1996-03-12 |
| 5476056 | Method of forming air layer over immersed surfaces of structure having immersed portions, and structure of coat layer formed over immersed surfaces | Junichiro Tokunaga, Makoto Kumada, Yoichi Sugiyama, Yong-Bo Chong, Naoki Matsubara | 1995-12-19 |
| 5437715 | Recording material containing carbonaceous powder whose surface is modified with fluorine gas | Hiroyuki Idogawa, Atsushi Wakata, Yong-Bo Chong | 1995-08-01 |
| 5160415 | Carbon electrode, and method and apparatus for the electrolysis of a hydrogen fluoride-containing molten salt with the carbon electrode | Teruhisa Kondo, Tetsuro Tojo | 1992-11-03 |
| 5112437 | Oxide film removing apparatus and removing method thereof using azeotropic vapor mixture | Yong-Bo Chong, Toshio Tatsuno, Tomoyoshi Okada, Akira Izumi, Keiji Toei | 1992-05-12 |
| 5069764 | Carbon electrode having low polarizability | Tetsuro Tojo, Yong-Bo Chong, Kenji Ikari | 1991-12-03 |
| 5022961 | Method for removing a film on a silicon layer surface | Akira Izumi, Keiji Toei, Yong-Bo Chong | 1991-06-11 |
| 4931163 | Pitch fluoride | Hidekazu Tohara, Yuji Matsumura, Hiroyuki Fujimoto | 1990-06-05 |
| 4789444 | Process for electrolytically producing metals of Ni, Co, Zn, Cu, Mn, and Cr from a solution thereof | Morio Watanabe, Sanji Nishimura | 1988-12-06 |
| 4770778 | Hollow fiber semipermeable membrane element and a method of producing the same | Takayuki Yokoyama, Takashi Ogawa, Kazuo Toyomoto | 1988-09-13 |
| 4753786 | Method for producing graphite fluoride | Tsuyoshi Nakajima, Rika Hagiwara | 1988-06-28 |
| 4678646 | Crystallizer | Morio Watanabe, Sanji Nishimura | 1987-07-07 |
| 4515709 | Ternary intercalation compound of a graphite with an alkali metal fluoride and fluorine, a process for producing the same, and an electrically conductive material comprising the ternary intercalation compound | Tsuyoshi Nakajima, Masayuki Kawaguchi | 1985-05-07 |
| 4511493 | Ternary intercalation compound of a graphite with a metal fluoride and fluorine, a process for producing the same, and an electrically conductive material comprising the ternary intercalation compound | Tsuyoshi Nakajima, Masayuki Kawaguchi | 1985-04-16 |
| 4477374 | Ternary intercalation compound of a graphite with a metal fluoride and fluorine, a process for producing the same, and an electrically conductive material comprising the ternary intercalation compound | Tsuyoshi Nakajima, Masayuki Kawaguchi | 1984-10-16 |
| 4423261 | Process for producing a graphite fluoride comprising mainly polydicarbon monofluoride represented by the formula (C.sub.2 F).sub.n | Tsuyoshi Nakajima, Masayuki Kawaguchi | 1983-12-27 |
| 4397682 | Process for preparing metals from their fluorine-containing compounds | Morio Watanabe, Sanji Nishimura | 1983-08-09 |
| 4390508 | Process for recovery of aluminum oxide from aluminum compounds containing fluorine | Morio Watanabe, Sanji Nishimura | 1983-06-28 |
| 4386137 | Process for producing a graphite fluoride type film on the surface of an aluminum substrate | Tsuyoshi Nakajima, Hiroaki Yamada, Noboru Ohsawa | 1983-05-31 |
| 4369170 | Intercalation compound of a graphite with a thiazyl salt, a process for producing the same, and an electrically conductive material comprising the intercalation compound of a graphite with a thiazyl salt | Tsuyoshi Nakajima, Masayuki Kawaguchi | 1983-01-18 |
| 4350576 | Method of producing a graphite intercalation compound | Teruhisa Kondo, Jiro Ishiguro | 1982-09-21 |
| 4312718 | Method for producing fluorine | Minoru Aramaki, Yasushi Kita | 1982-01-26 |