TM

Tsutomu Maekawa

Ricoh Company: 14 patents #1,578 of 9,818Top 20%
HC Hitachi Koki Co.: 4 patents #273 of 888Top 35%
RS Ricoh Printing Systems: 3 patents #44 of 200Top 25%
HS Hitachi Printing Solutions: 2 patents #23 of 99Top 25%
NC Nippondenso Co.: 2 patents #1,150 of 3,479Top 35%
HI Hitachi: 1 patents #17,742 of 28,497Top 65%
Overall (All Time): #161,477 of 4,157,543Top 4%
25
Patents All Time

Issued Patents All Time

Showing 1–25 of 25 patents

Patent #TitleCo-InventorsDate
11560491 Liquid composition, device for applying liquid composition, image forming device, and image forming method Dongsik Jang, Yukitaka Watarai, Takashi Tamai, Atsufumi Hanazawa, Koji Katsuragi 2023-01-24
11040561 Ink and processing liquid set, image forming method, and image forming device Takashi Tamai, Dongsik Jang, Atsufumi Hanazawa, Satoshi Takahashi, Yoshiki Yanagawa +1 more 2021-06-22
10851253 Image forming method and image forming apparatus Koji Katsuragi, Takashi Tamai, Atsufumi Hanazawa, Dongsik Jang 2020-12-01
10647129 Printing method and set of processing fluid and ink Atsufumi Hanazawa, Hiroshi Gotou, Yukitaka Watarai, Koji Katsuragi, Tomohiro Nakagawa 2020-05-12
9789720 Image forming method, image forming apparatus, and recorded matter Shosuke Aoai, Michihiko Namba, Shinya Seno, Hiroshi Gotou, Akihiko Gotoh 2017-10-17
9217092 Inkjet recording method, inkjet recording device, and ink recorded matter Kiminori Masuda, Mariko Kojima, Akiko Bannai, Takashi Tamai 2015-12-22
9205677 Inkjet recording method and inkjet recording device Michihiko Namba, Shosuke Aoai 2015-12-08
9206329 Pre-treatment liquid and image forming method Michihiko Namba, Shohsuke Aoai, Shinya Seno 2015-12-08
8815140 Method of producing film by inkjet process, and film Tamotsu Aruga, Shinya Seno, Masayuki Koyano, Eiji Noda, Noriyasu Takeuchi +4 more 2014-08-26
8740374 Ink jet recording method, ink jet recording apparatus, and ink jet recorded matter Shin-ya Seno, Tamotsu Aruga, Masayuki Koyano, Eiji Noda, Norlyasu Takeuchi +4 more 2014-06-03
8727522 Ultraviolet crosslinking ink and inkjet recording method Okitoshi Kimura, Eiji Noda, Tamotsu Aruga, Shinya Seno, Noriyasu Takeuchi +4 more 2014-05-20
8708475 Ultraviolet crosslinking inkjet ink, ink cartridge containing same, and image forming method and apparatus using same Tomoko Hasegawa, Tamotsu Aruga, Okitoshi Kimura, Eiji Noda, Shinya Seno +4 more 2014-04-29
8696101 Photopolymerizable inkjet black ink, and ink cartridge, inkjet printer and printed material using the ink, and method of preparing the ink Takao Hiraoka, Tomoko Hasegawa 2014-04-15
8632174 Ink jet recording method Soh Noguchi, Okitoshi Kimura, Takao Hiraoka, Tomoko Hasegawa, Eiji Noda +4 more 2014-01-21
7325902 Ink-jet printer head and a manufacturing method thereof Kunihiro Tamahashi, Akemi Ouchi, Hidetoshi Fujii, Hiroshi Sasaki 2008-02-05
7290873 Ink jet recording method Akemi Ouchi, Hidetoshi Fujii, Kunihiro Tamahashi, Yutaka Shoji 2007-11-06
7104773 Three-dimensional laminating molding device Akemi Ouchi, Hidetoshi Fujii, Kunihiro Tamahashi, Yutaka Shoji, Hiroshi Takahagi 2006-09-12
6749291 Inkjet recording device that reuses refresh ink Kunio Satou, Takahiro Yamada, Hitoshi Kida, Akemi Ouchi, Hidetoshi Fujii 2004-06-15
6641652 Ink composition for inkjet recording and inkjet recording process Akemi Ouchi, Atsushi Kakuta 2003-11-04
6354207 Solid ink printing master plate and method for preparing the same Akemi Ouchi, Atsushi Kakuta 2002-03-12
6235098 Hot-melt ink compositions for ink-jet printing Akemi Ouchi, Atsushi Kakuta 2001-05-22
6106602 Hot-melt ink composition for ink jet recording Akemi Ouchi, Atsushi Kakuta 2000-08-22
5623331 High-speed electrophotographic fixing unit Tadahiro Kaneko, Takao Umeda, Teruaki Mitsuya 1997-04-22
5266858 Armatures and method for manufacturing such armatures Masanori Ohmi, Satoru Hamano, Masanori Mori, Shogo Uzura 1993-11-30
5211670 Armatures and method for manufacturing such armatures Masanori Ohmi, Satoru Hamano, Masanori Mori, Shogo Uzura 1993-05-18