Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5830834 | Ammonium carboxylate type fluorine-containing compound, solid surface modifier containing the same and magnetic recording medium using the same | Mitsuyoshi Shoji, Takayuki Nakakawaji, Hiroshi Sasaki, Yutaka Ito, Hiroyuki Matsumoto | 1998-11-03 |
| 5549835 | Apparatus equipped with a cooling block unit having sliding parts and a compound used to the same | Takao Uematsu, Mitsuyoshi Shoji, Takayuki Nakakawaji, Yutaka Ito, Atsushi Morihara +3 more | 1996-08-27 |
| 5536578 | Magnetic recording medium comprising a protective layer and a layer of ammonium carboxylate fluorine-containing compound | Mitsuyoshi Shoji, Takayuki Nakakawaji, Hiroshi Sasaki, Yutaka Ito, Hiroyuki Matsumoto | 1996-07-16 |
| 5252418 | Electrophotographic photoreceptor with protruding inorganic insulator pieces and an electrophotographic apparatus utilizing the same | Fuminori Ishikawa, Akira Sato, Kunihiro Tamahashi, Masatoshi Wakagi, Katsumi Tamura +6 more | 1993-10-12 |
| 5219651 | Magnetic recording apparatus comprising a magnetic recording medium and a magnetic head each coated with a coating of a binder and a specified fluorolubricant | Mitsuyosi Shoji, Takayuki Nakakawaji, Yutaka Ito, Fumio Nakano | 1993-06-15 |
| 5204202 | Electrophotographic photosensitive element comprising a protective layer with a porous surface impregnated with lubricant | Fuminori Ishikawa, Kunihiro Tamahashi, Shigeharu Onuma, Masatoshi Wakagi, Masanobu Hanazono +4 more | 1993-04-20 |
| 5157066 | Fluoroalkyl ether, surface modifying composition and method for modifying surface | Mitsuyoshi Shoji, Takayuki Nakakawaji, Yutaka Ito, Akio Mukoh | 1992-10-20 |
| 5128435 | Magnetic recording medium based on epoxy resins modified by isocyanates with poly(perfluoroether) backbones | Mitsuyoshi Shoji, Takayuki Nakakawaji, Yutaka Ito, Toshikazu Narahara | 1992-07-07 |
| 5073466 | Electrophotographic member containing a fluorine-containing lubricating agent and process for producing the same | Fuminori Ishikawa, Kunihiro Tamahashi, Shigeharu Onuma, Masatoshi Wakagi, Masanobu Hanazono +5 more | 1991-12-17 |
| 4990418 | Electrophotographic photoreceptor and method of producing the same | Akio Mukoh, Mitsuoshi Shoji, Shigeo Suzuki, Takayuki Nakakawaji, Yutaka Ito +4 more | 1991-02-05 |
| 4803000 | Lubricant for cold plastic working of aluminum alloys | Takao Uematsu, Hiroshi Suzuki, Fumio Nakano | 1989-02-07 |
| 4657685 | Emulsion type liquid lubricant for metal forming, process for preparing the lubricant and process for metal forming with the lubricant | Takao Uematsu, Fumio Nakano, Tomoe Takamura | 1987-04-14 |
| 4612127 | Lubricant for metal forming and process for metal forming | Takao Uematsu, Tomoe Takamura, Fumio Nakano, Toshikazu Narahara | 1986-09-16 |
| 4612128 | Lubricant for plastic working of metals | Takao Uematsu, Hiroshi Suzuki, Fumio Nakano | 1986-09-16 |
| 4454052 | Liquid absorbent for absorption type refrigerator | Mitsuyoshi Shoji, Etsuo Oe, Yoshiharu Honma, Moriichi Sato, Ren Ito | 1984-06-12 |
| 4313840 | Heat transfer oil and method for driving a Freon turbine | Moriichi Sato | 1982-02-02 |