HK

Hiroki Koyama

JE Japan Energy: 6 patents #7 of 240Top 3%
HI Hitachi: 2 patents #13,388 of 28,497Top 50%
OL Olympus: 2 patents #1,626 of 3,097Top 55%
NK Nippon Hoso Kyokai: 1 patents #306 of 703Top 45%
SE Seiko Epson: 1 patents #5,551 of 7,774Top 75%
OI Olympus Imaging: 1 patents #211 of 341Top 65%
OM Omron: 1 patents #1,808 of 3,089Top 60%
HC Howa Textile Industry Co.: 1 patents #5 of 30Top 20%
📍 Asahi, JP: #5 of 43 inventorsTop 15%
Overall (All Time): #309,745 of 4,157,543Top 8%
15
Patents All Time

Issued Patents All Time

Showing 1–15 of 15 patents

Patent #TitleCo-InventorsDate
12391497 Medium placing device and recording apparatus 2025-08-19
11134199 Image pickup apparatus, image display method for image pickup apparatus, and recording medium Hiroki Kudo, Kazuki Sakurai, Takeshi Suzuki, Keiji Kunishige 2021-09-28
10858135 Industrial control apparatus, control method, program, packaging machine, and packaging machine control apparatus Reiko Hattori, Akira Nakajima 2020-12-08
10180724 Operating terminal and operating method Yuki MISHIO, Yoshihisa Ogata, Naohisa Nakada 2019-01-15
9931915 Sliding member, sunshade device provided with the sliding member and motor vehicle equipped with the sunshade device Takahiro Sawai 2018-04-03
7751702 Digital camera 2010-07-06
7335618 Method for manufacturing hydrorefining catalyst, and metal recovery method Toru Saito, Yoshiki Iwata, Chikanori Nakaoka 2008-02-26
7001503 Method and apparatus for stripping sulfur-containing compounds from hydrocarbon feed stock in hydrorefining of petroleum distillates Yuichi Takahashi 2006-02-21
6858132 Hydrofining catalyst and hydrofining process Hideaki Kumagai, Kenji Nakamura, Naoharu Igarashi, Masayuki Mori, Takayuki Tsukada 2005-02-22
6780817 Catalyst for hydrofining and method for preparation thereof Toru Saito, Hideaki Kumagai 2004-08-24
6576119 Method of producing middle distillate products by two-stage hydrocracking and hydrocracking apparatus Katsuaki Ishida, Manabu Kobayashi, Seiji Togawa, Futoshi Sakaguchi 2003-06-10
6325919 Catalyst support, catalyst, reactor for hydrogenation reaction, and catalytic reaction method Kenji Nakamura, Masayuki Kawaguchi, Yasuyuki Mashimo 2001-12-04
5757806 Data multiplexing system having at least one low-speed interface circuit connected to a bus Yoshihiro Ashi, Hiroyuki Fujita, Michael Wright 1998-05-26
5452307 Data multiplexing system having at least one low-speed interface circuit connected to a bus Yoshihiro Ashi, Hiroyuki Fujita, Michael Wright 1995-09-19
5333213 Method and apparatus for high speed dynamic image region extraction Seiki Inoue 1994-07-26