MH

Masafumi Hirai

LP Lion Office Products: 3 patents #1 of 5Top 20%
CC Catalysts & Chemicals Industries Co.: 2 patents #35 of 128Top 30%
JC Jgc Catalysts And Chemicals: 2 patents #50 of 139Top 40%
Dai Nippon Printing Co.: 1 patents #1,392 of 2,222Top 65%
SE Seiko Epson: 1 patents #5,551 of 7,774Top 75%
📍 Kitakyushu, CA: #3 of 5 inventorsTop 60%
Overall (All Time): #728,920 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
10040943 Method of producing silica-based particles Ryo Muraguchi, Mitsuaki Kumazawa, Toshiharu Hirai 2018-08-07
9683108 Antireflective laminate Utako Mizuno, Midori Nakajo, Seiji Shinohara, Toshio Yoshihara, Hiroyasu Nishida +1 more 2017-06-20
6858294 Coating fluid for forming hard coating and substrates covered with hard coating Hirokazu Tanaka, Chiemi Murakami 2005-02-22
5810498 Fastener assembly for a file 1998-09-22
5789476 Film-forming coating solution and synthetic resin lens Takeaki Iryo, Satoshi Kubota, Kazunori Miyashita, Katsuyoshi Takeshita, Hirokazu Tanaka +2 more 1998-08-04
D366674 Document holder 1996-01-30
D366495 Envelope 1996-01-23