MM

Masashi Miyagawa

Canon: 61 patents #452 of 19,416Top 3%
DE Denso: 11 patents #1,094 of 11,792Top 10%
Fujitsu Limited: 4 patents #7,093 of 24,456Top 30%
FU Futaba: 2 patents #83 of 292Top 30%
Overall (All Time): #23,693 of 4,157,543Top 1%
78
Patents All Time

Issued Patents All Time

Showing 25 most recent of 78 patents

Patent #TitleCo-InventorsDate
12370470 Reserve tank Osamu Hakamata, Akira Yamanaka, Kenshirou Matsui, Masaki Harada 2025-07-29
11421580 Reserve tank Akira Yamanaka, Osamu Hakamata 2022-08-23
10725594 Touch panel and manufacturing method thereof Tsubasa Mitsuhashi, Kiyoyuki Deguchi, Tomohiro Ishii, Yasuyuki Naito 2020-07-28
10260461 Low temperature cooling device for internal combustion engine Keitarou Minami, Hideaki Ichihara 2019-04-16
10239321 Liquid ejection head and method for manufacturing flow passage member of liquid ejection head Isao Imamura 2019-03-26
9470138 Coolant circulation system for engine 2016-10-18
8980112 Method for renewing organic solvent, method for using organic solvent, and method for producing inkjet recording head Masanori Jinnoh 2015-03-17
8613495 Liquid ejection head Toshiaki Kaneko, Shozo Hattori 2013-12-24
8316927 Loop heat pipe waste heat recovery device with pressure controlled mode valve Kimio Kohara, Seiji Inoue, Yuuki Mukoubara, Yasutoshi Yamanaka 2012-11-27
8251496 Liquid discharge head having resin supply and support members Shozo Hattori, Ryoichi Matsumoto, Toshiaki Kaneko 2012-08-28
8056616 Exhaust heat recovery apparatus Kimio Kohara 2011-11-15
8035290 Fluorescent display device and conductive paste for the fluorescent display device Masahiro Kato, Toshiyuki Misonou 2011-10-11
8020524 Exhaust heat recovery apparatus 2011-09-20
7946112 Exhaust heat recovery device Yasutoshi Yamanaka, Koichi Ban, Kimio Kohara 2011-05-24
7931071 Heat exchanger with heat pipe Kenshirou Muramatsu, Yasutoshi Yamanaka, Kazuaki Kafuku 2011-04-26
7877991 Exhaust heat recovery device Kimio Kohara, Seiji Inoue 2011-02-01
7845167 Exhaust heat recovery system Yasutoshi Yamanaka, Takahisa Suzuki, Koichi Ban 2010-12-07
7526863 Method for manufacturing a microstructure Masahiko Kubota 2009-05-05
7384130 Liquid ejection head Masahiko Kubota 2008-06-10
7297202 Dispersible colorant, method of producing same, aqueous ink using same, ink tank, ink jet recording apparatus, ink jet recording method, and ink jet recorded image Hirofumi Ichinose, Junichi Sakai, Yoshio Nakajima, Yoko Ichinose 2007-11-20
7291211 Aqueous ink, ink tank, ink jet recording apparatus, ink jet recording method, and ink jet recorded image Toshiaki Kaneko, Sadayuki Sugama, Junichi Sakai, Yoko Ichinose, Yoshio Nakajima 2007-11-06
7055938 Liquid jet recording head and process for production thereof Norio Ohkuma, Hiroaki Toshima 2006-06-06
7036909 Liquid ejection head Masahiko Kubota 2006-05-02
6971171 Method for manufacturing an ink jet recording head Hirokazu Komuro, Yoshinori Misumi, Masahiko Kubota, Hiroyuki Sugiyama, Ryoji Inoue 2005-12-06
6960424 Method for manufacturing microstructure, method for manufacturing liquid discharge head, and liquid discharge head Masahiko Kubota 2005-11-01