MF

Masayuki Fukuoka

Ricoh Company: 19 patents #1,131 of 9,818Top 15%
AC Asahi Kasei Kogyo Co.: 2 patents #303 of 1,395Top 25%
AK Asahi Kasei Kabushiki Kaisha: 1 patents #556 of 1,220Top 50%
Overall (All Time): #182,470 of 4,157,543Top 5%
23
Patents All Time

Issued Patents All Time

Showing 1–23 of 23 patents

Patent #TitleCo-InventorsDate
11292932 Ink set, recording device, and method of recording Yuuki Yokohama, Hiroshi Gotou, Kaori Toyama 2022-04-05
10781331 Ink set, recording device, and method of recording Yuuki Yokohama, Hiroshi Gotou, Kaori Toyama 2020-09-22
10457079 Ink, inkjet recording method, ink cartridge, and image recording device Kaori Toyama, Yuuki Yokohama, Hiromi Sakaguchi, Hideaki Nishimura, Shuusuke Someno 2019-10-29
10370548 Copolymer, ink including copolymer, and ink-stored container Shigeyuki Harada, Akihiko Matsuyama, Yoshiki Yanagawa, Takuya Yamazaki, Kazukiyo Nagai +3 more 2019-08-06
10280321 Ink, ink container, inkjet recording device, and recorded matter Akihiko Matsuyama, Hiroshi Gotou, Michihiko Namba, Hidetoshi Fujii, Amika Sagara +7 more 2019-05-07
10233345 Ink set, recording device, and method of recording Yuuki Yokohama, Hiroshi Gotou, Kaori Toyama 2019-03-19
10195885 Ink, inkjet recording method, ink cartridge, and image recording device Kaori Toyama, Yuuki Yokohama, Hiromi Sakaguchi, Hideaki Nishimura, Shuusuke Someno 2019-02-05
10035869 Copolymer, aqueous ink, and ink cartridge Shigeyuki Harada, Yoshiki Yanagawa, Keita Katoh, Kazukiyo Nagai, Yuusuke Koizuka +2 more 2018-07-31
9988543 Ink, ink stored container, inkjet recording apparatus, and recorded matter Akihiko Matsuyama, Shigeyuki Harada, Yoshiki Yanagawa, Takuya Yamazaki, Kazukiyo Nagai +3 more 2018-06-05
9850335 Copolymer, aqueous ink, and ink cartridge Shigeyuki Harada, Keita Katoh, Kazukiyo Nagai, Yuusuke Koizuka, Tomoyuki Shimada +4 more 2017-12-26
9850391 Ink, ink stored container, inkjet printing method, and inkjet printing device Shigeyuki Harada, Yoshiki Yanagawa, Takuya Yamazaki, Kazukiyo Nagai, Yuusuke Koizuka +3 more 2017-12-26
9777091 Copolymer, ink, and ink container Shigeyuki Harada, Yoshiki Yanagawa, Keita Katoh, Kazukiyo Nagai, Yuusuke Koizuka +4 more 2017-10-03
9617439 Ink composition, ink cartridge, ink recording device, and recorded matter Akihiko Matsuyama, Shigeyuki Harada, Keita Katoh, Mitsuru Naruse, Kazukiyo Nagai +2 more 2017-04-11
9422437 Copolymer, aqueous ink, and ink cartridge Shigeyuki Harada, Keita Katoh, Kazukiyo Nagai, Yuusuke Koizuka 2016-08-23
9416284 Copolymer, aqueous ink, and ink cartridge Shigeyuki Harada, Keita Katoh, Kazukiyo Nagai, Yuusuke Koizuka 2016-08-16
9365670 Copolymer, aqueous ink, and ink cartridge Shigeyuki Harada, Yoshiki Yanagawa, Keita Katoh, Kazukiyo Nagai, Yuusuke Koizuka +2 more 2016-06-14
9353274 Ink, ink cartridge, inkjet recording device, and copolymer Keita Katoh, Shigeyuki Harada, Yoshiki Yanagawa, Kazukiyo Nagai, Tomoyuki Shimada +2 more 2016-05-31
9321926 Ink for inkjet recording, ink cartridge, and ink-recorded matter Keita Katoh, Shigeyuki Harada, Mitsuru Naruse, Masayasu Nonogaki, Akihiko Matsuyama +2 more 2016-04-26
9217089 Ink for inkjet recording Kazukiyo Nagai, Yuusuke Koizuka, Mitsuru Naruse, Masayasu Nonogaki, Akihiko Matsuyama +2 more 2015-12-22
5219956 Method for hardening a one-package epoxy formulation including partial curing 1993-06-15
4578327 Electric cells using fluorinated graphite as active material of positive electrode Shigeakira Saito 1986-03-25
4571813 Automatic tool changing apparatus for multi-spindle machine tool Satoshi Matsumoto 1986-02-25
4269911 Aluminum-halogen cells Tatsumi Arakawa, Muneaki Kimura, Yukihisa Masukawa, Hidehiko Kobayashi 1981-05-26