HK

Hiroyuki Kurokawa

TO Toyota: 23 patents #895 of 26,838Top 4%
NS Nippon Steel: 5 patents #528 of 4,423Top 15%
NI Nikon: 4 patents #874 of 2,493Top 40%
SC Sumitomo Construction Machinery Co.: 4 patents #16 of 89Top 20%
NM Nippon Steel & Sumitomo Metal: 4 patents #273 of 1,491Top 20%
Honda Motor Co.: 4 patents #5,328 of 21,052Top 30%
ML Mitsubishi Paper Mills Limited: 4 patents #104 of 458Top 25%
MM Mitsubishi Motors: 3 patents #352 of 1,823Top 20%
HC Hokuriku Electric Industry Co.: 3 patents #16 of 104Top 20%
TI Toray Industries: 2 patents #1,308 of 3,690Top 40%
AC Aichi Machine Industry Co.: 2 patents #11 of 131Top 9%
Mitsubishi Electric: 1 patents #15,491 of 25,717Top 65%
MM Memc Electronic Materials: 1 patents #138 of 273Top 55%
Kyocera: 1 patents #2,054 of 3,732Top 60%
SI Seiko Instruments: 1 patents #836 of 1,437Top 60%
HO Horkos: 1 patents #13 of 22Top 60%
YA Yazaki: 1 patents #2,077 of 3,427Top 65%
Aisin Seiki Kabushiki Kaisha: 1 patents #2,094 of 3,782Top 60%
ME Mitsubishi Jidosha Engineering: 1 patents #75 of 277Top 30%
Overall (All Time): #29,143 of 4,157,543Top 1%
70
Patents All Time

Issued Patents All Time

Showing 51–70 of 70 patents

Patent #TitleCo-InventorsDate
7172034 Boring control method Tadashi Makiyama, Toshihiko Amako 2007-02-06
7055489 Engine unit case Fumiyuki Suzuki, Shoji Kobiyama 2006-06-06
7040275 Oil pan structure Yasuki Ohta, Masatoshi Hada 2006-05-09
6874843 Vehicle front-end body structure Masahiro Awano, Kazufumi Takayanagi, Takanobu Uchida, Yoshinori Yokota 2005-04-05
6709045 Vehicle body structure Hirotaka Shuto, Tatsuji Shimizu, Eisuke Okamoto 2004-03-23
6520191 Carrier for cleaning silicon wafers Yoshio Iwamoto 2003-02-18
6409257 Vehicle side sill structure Katsuhiko Takashina, Hiroyuki Nagura 2002-06-25
6349211 Position display system of mobile terminal Hiroaki Koshima, Katsuhiko Kumamoto, Kimio Muya, Ryuichi Iwagami 2002-02-19
6347230 Position display system of mobile terminal Hiroaki Koshima, Katsuhiko Kumamoto, Kimio Muya, Ryuichi Iwagami 2002-02-12
6083340 Process for manufacturing a multi-layer circuit board Kazuo Nomura, Ichiro Ishiyama, Koji Higashi, Masaki Kato, Ichiro Nagare +1 more 2000-07-04
6063540 Method for making lithographic printing plate Toshiro Kondo 2000-05-16
5966248 Lens driving mechanism having an actuator Hirotake Nozaki, Akira Yamamoto 1999-10-12
5920454 Capacitor-mounted circuit board Kazuo Nomura, Nobutsugu Nakanuma, Ichiro Ishiyama, Koji Higashi, Masaki Kato +2 more 1999-07-06
5756251 Method for making lithographic printing plate Toshiro Kondo, Akio Yoshida, Jun Urasaki, Motozo Yamano, Makiko Oko +1 more 1998-05-26
5738969 Process for treating plate surface of lithographic printing plate Toshiro Kondo, Yutaka Araki 1998-04-14
5714302 Method of printing with using lithographic printing plate made by silver complex diffusion transfer process and using dampening composition containing nonionic surface active agent Jun Urasaki, Hideo Kiyoyama, Kazuhiko Ibaraki, Akio Yoshida 1998-02-03
5644219 Solar energy system 1997-07-01
5525455 Treating solution for lithographic printing plate Kazuhiko Ibaraki, Jun Urasaki, Akio Yoshida 1996-06-11
5032860 Full closed type diaphragm apparatus 1991-07-16
4991113 Thermal transfer printer with image data processing 1991-02-05