HK

Hiroshi Koyama

Nsk: 16 patents #65 of 1,559Top 5%
Mitsubishi Electric: 16 patents #1,485 of 25,717Top 6%
YU Yupo: 11 patents #5 of 72Top 7%
DI Daicel Chemical Industries: 11 patents #44 of 893Top 5%
TO Toyota: 9 patents #3,216 of 26,838Top 15%
Canon: 8 patents #7,260 of 19,416Top 40%
HI Hitachi: 8 patents #5,191 of 28,497Top 20%
Honda Motor Co.: 7 patents #3,151 of 21,052Top 15%
SC Sanyo Electric Co.: 5 patents #1,180 of 6,347Top 20%
NC Nhk Spring Co.: 5 patents #150 of 1,116Top 15%
MO Morpho: 4 patents #26 of 161Top 20%
HC Hitachi Ulsi Systems Co.: 4 patents #214 of 867Top 25%
TC Toppan Printing Co.: 4 patents #201 of 1,467Top 15%
SO Sony: 4 patents #8,966 of 25,231Top 40%
DA Daicel: 4 patents #85 of 523Top 20%
AC Akita Electronics Co.: 3 patents #12 of 68Top 20%
PE Pentax: 3 patents #351 of 761Top 50%
DE Denso: 3 patents #3,857 of 11,792Top 35%
OC Oji Yuka Goseishi Co.: 3 patents #8 of 35Top 25%
HS Hitachi Microcomputer System: 3 patents #41 of 257Top 20%
RT Renesas Technology: 2 patents #1,374 of 3,337Top 45%
TB Toyoda Boshoku: 2 patents #14 of 112Top 15%
KC Kyodo Printing Co.: 2 patents #26 of 93Top 30%
TC Toyo Seikan Co.: 2 patents #321 of 888Top 40%
HP HP: 1 patents #3,612 of 7,018Top 55%
AC Akita Electronics Systems Co.: 1 patents #3 of 36Top 9%
DC Dena Co.: 1 patents #81 of 210Top 40%
DC Diesel Kiki Co.: 1 patents #181 of 366Top 50%
TS Tokyo Kikai Seisakusho: 1 patents #91 of 195Top 50%
KW Kanto Auto Works: 1 patents #12 of 39Top 35%
LC Laurel Bank Machines Co.: 1 patents #90 of 139Top 65%
MD Mitsubisih Denki: 1 patents #26 of 381Top 7%
NC Nippondenso Co.: 1 patents #1,765 of 3,479Top 55%
NC Nissan Diesel Motor Co.: 1 patents #52 of 125Top 45%
NC Nisshin Steel Co.: 1 patents #240 of 514Top 50%
SH Shimadzu: 1 patents #1,152 of 2,007Top 60%
TC Tokyo Ohka Kogyo Co.: 1 patents #437 of 684Top 65%
TC Tokyo Sanyo Electric Co.: 1 patents #24 of 89Top 30%
TC Toyoda Gosei Co.: 1 patents #1,271 of 2,296Top 60%
ZG Zexel Gmbh: 1 patents #175 of 348Top 55%
📍 Tokyo, CO: #2 of 23 inventorsTop 9%
Overall (All Time): #7,677 of 4,157,543Top 1%
135
Patents All Time

Issued Patents All Time

Showing 76–100 of 135 patents

Patent #TitleCo-InventorsDate
6639323 Semiconductor device and its manufacturing method Yukiharu Akiyama, Tomoaki Kudaishi, Takehiro Ohnishi, Noriou Shimada, Shuji Eguchi +7 more 2003-10-28
6627374 Process and system for producing toner particles Hidekazu Fumita, Hitoshi Kanda, Minoru Omura 2003-09-30
6627298 Support and thermal transfer image-recording material Akihiko Ohno, Tamio Shikano 2003-09-30
6610638 High purity 1,3-propanediol derivative solvent, process for producing the same, and use thereof Hiroto Tanigawa, Hiroto Miyake, Akihiko Fujita, Katsuya Maruo 2003-08-26
6533440 Light reflector Tomotsugu Takahashi 2003-03-18
6515371 Semiconductor device with elastic structure and wiring Yukiharu Akiyama, Tomoaki Kudaishi, Takehiro Ohnishi, Noriou Shimada, Shuji Eguchi +7 more 2003-02-04
6495303 Process of producing polymerized toner Hitoshi Kanda, Takeshi Naka, Yoshinori Tsuji 2002-12-17
6476467 Semiconductor device and process for producing the same Hisao Nakamura, Seiichi Ichihara, Ryosuke Kimoto, Hiroshi Kawakubo, Ryo Haruta 2002-11-05
6313812 Single remote control system for plurality of audio and visual equipment Shuichi Nagano, Akira Katsuyama, Takashi Ishizuka, Keiichi Asakura, Takahiro Hirai +3 more 2001-11-06
6309579 Method for forming a casting which includes an insert Tsutomu Onoue, Keigo Asano, Tadatsugu Nakamura, Izuru Shoji 2001-10-30
6307269 Semiconductor device with chip size package Yukiharu Akiyama, Tomoaki Kudaishi, Takehiro Ohnishi, Noriou Shimada, Shuji Eguchi +7 more 2001-10-23
6278176 Semiconductor device and process for producing the same Hisao Nakamura, Seiichi Ichihara, Ryosuke Kimoto, Hiroshi Kawakubo, Ryo Haruta 2001-08-21
6166684 Artificial satellite navigation system and method Shoji Yoshikawa, Katsuhiko Yamada, Jun Tsukui 2000-12-26
6116159 Paper wrinkle preventing device 2000-09-12
6063321 Method for forming a casting which includes an insert Tsutomu Onoue, Keigo Asano, Tadatsugu Nakamura, Izuru Shoji 2000-05-16
6060770 Semiconductor device and process for producing the same Hisao Nakamura, Seiichi Ichihara, Ryosuke Kimoto, Hiroshi Kawakubo, Ryo Haruta 2000-05-09
6034737 TV set and a combination apparatus of a TV set and an AV amplifier Hiroshi Masuda 2000-03-07
5886228 Highly purified 1-aminopropanediol-2,3 Etsuo Takemoto 1999-03-23
5750792 Highly purified 1-aminopropanediol-2,3 Etsuo Takemoto 1998-05-12
5708913 Coating apparatus, process cartridge and electrophotographic image forming apparatus Masateru Yasuhara, Tadayuki Tsuda, Akira Higeta 1998-01-13
5680720 Illuminated signboard Harumitsu Asazuma 1997-10-28
5667872 Synthetic paper with multi-layer structure and excellent printing property Akihiko Ohno, Atsushi Ishige, Koichi Asami 1997-09-16
5556516 Method for the purification of 1-aminopropanediol-2,3 Etsuo Takemoto 1996-09-17
5541843 Engine output control device for vehicles Susumu Yamaguchi, Hiroyuki Kurita 1996-07-30
5474966 Thermal recording material Harumitsu Asazuma 1995-12-12