RH

Ryoichi Hirayama

SE Seiko Epson: 5 patents #2,973 of 7,774Top 40%
KA Kao: 3 patents #1,053 of 3,221Top 35%
IC Idemitsu Petrochemical Co.: 1 patents #305 of 578Top 55%
KL Kanebo, Limited: 1 patents #248 of 571Top 45%
Overall (All Time): #494,141 of 4,157,543Top 15%
10
Patents All Time

Issued Patents All Time

Showing 1–10 of 10 patents

Patent #TitleCo-InventorsDate
11582354 Image reading and control device, and method, for document region extraction based on edge candidate and dirt position 2023-02-14
11122167 Image reading apparatus, storage medium storing abnormality determination program, and abnormality determination method Takayuki Shiota 2021-09-14
10988335 Transporting apparatus, program, and control method of transporting apparatus Wataru Beppu 2021-04-27
10897549 Medium transport apparatus, image reading apparatus, and transport control method Takayuki Shiota, Kazuhiko Arimori, Seiji Eguchi, Masahiko Mizoguchi 2021-01-19
10880449 Image reading apparatus and image reading method 2020-12-29
6914077 Mite repellant and/or miticide composition Michiko Nagatsuka, Hirohiko Ishida, Hiromi Kubota 2005-07-05
6586639 Functional alcohol releasing substance Koichi Murayama, Shigeyoshi Tanaka, Atsushi Katayama, Takami Gema 2003-07-01
6486333 Functional alcohol releasing substance Koichi Murayama, Shigeyoshi Tanaka, Atsushi Katayama, Takami Gema 2002-11-26
5795891 Acylphenylglycine derivative and preventive and remedy for diseases caused by increased collagenase activity containing said compound as active ingredient Takahiro Tsukida, Minoru Yamamoto, Shoji Ikeda, Fumio Sakamoto, Yuji Obata +1 more 1998-08-18
4559266 Laminated materials for thermoforming into food packaging Mitsugu Misasa 1985-12-17