TK

Toshiyuki Kawanishi

Ricoh Company: 23 patents #910 of 9,818Top 10%
ML Mitsubishi Pencil Company, Limited: 1 patents #181 of 302Top 60%
📍 Numazu, JP: #68 of 856 inventorsTop 8%
Overall (All Time): #176,090 of 4,157,543Top 5%
24
Patents All Time

Issued Patents All Time

Showing 1–24 of 24 patents

Patent #TitleCo-InventorsDate
5813216 Solid writing tool and method of erasing lines drawn therewith Masaaki Hoshiba 1998-09-29
5738759 Recording material, method of producing the same and method of recycling recording material Hiroshi Kitazawa, Shigeaki Kimura, Eiichi Kawamura, Masato Igarashi 1998-04-14
5607534 Method of recycling support material for image-bearing member Masato Igarashi, Eiichi Kawamura, Tadashi Saitoh, Kiyoshi Tanikawa, Kakuji Murakami 1997-03-04
5593937 Image-bearing member and method for recycling the same Tadashi Saito, Kiyoshi Tanikawa, Eiichi Kawamura 1997-01-14
5540815 Method of recycling an image carrying medium and an image separating member therefor Masato Igarashi, Eiichi Kawamura, Narihito Kojima 1996-07-30
5534063 Apparatus for removing image forming substance from sheet and sheet processing apparatus Tooru Maruyama, Iwao Takahashi, Masatoshi Saito, Shigeru Fujita, Hisao Watanabe +4 more 1996-07-09
5474617 Image holding-supporting member and regenerating method thereof Tadashi Saito, Kiyoshi Tanikawa, Iwao Takahashi 1995-12-12
5347301 Transfer-type electrothermographic recording method and recording medium for use with the same Kunichika Morohoshi, Masato Igarashi 1994-09-13
5300952 Thermal image forming equipment forms image directly on image carrier or paper sheet Takeo Wada, Makoto Obu, Noriyoshi Tarumi, Masato Igarashi, Takashi Mori +2 more 1994-04-05
5107282 Transfer-type electrothermographic recording method and recording apparatus for use with the same Kunichika Morohoshi, Masato Igarashi 1992-04-21
4939062 Non-impact electric image transfer recording method Masato Igarashi 1990-07-03
4853707 Non-impact electrothermic recording method Yukio Tabata 1989-08-01
4737190 Aqueous ink composition for ink-jet recording Masaru Shimada, Kakuji Murakami, Tamotsu Aruga, Hiroyuki Uemura 1988-04-12
4713113 Aqueous ink composition for ink-jet recording Masaru Shimada, Kakuji Murakami, Tamotsu Aruga, Hiroyuki Uemura 1987-12-15
4711668 Aqueous ink composition Masaru Shimada, Kakuji Murakami, Tamotsu Aruga, Hiroyuki Uemura, Kiyofumi Nagai 1987-12-08
4647310 Aqueous ink composition for ink jet-recording Masaru Shimada, Kakuji Murakami, Tamotsu Aruga, Hiroyuki Uemura, Kiyofumi Nagai 1987-03-03
4631085 Aqueous ink composition for ink-jet recording Masaru Shimada, Kakuji Murakami, Tamotsu Aruga, Hiroyuki Uemura 1986-12-23
4614682 Thermosensitive image transfer recording medium Akira Suzuki, Hideo Watanabe, Mitsuru Hashimoto, Nobuo Mochizuki, Keishi Kubo +1 more 1986-09-30
4536437 Electrothermic non-impact recording material Yukio Tabata 1985-08-20
4484200 Non-impact recording apparatus Yukio Tabata 1984-11-20
4461586 Ink ribbon for use in electrothermic non-impact recording Yukio Tabata 1984-07-24
4425569 Non-impact recording method and apparatus Yukio Tabata 1984-01-10
4420758 Electrothermic non-impact recording method and apparatus Yukio Tabata 1983-12-13
4415903 Electric ink transfer recording method Yukio Tabata 1983-11-15