HS

Hiroyuki Shiraishi

SC Sumitomo Chemical: 12 patents #382 of 4,033Top 10%
TK Toshiba Tec Kabushiki Kaisha: 9 patents #340 of 1,664Top 25%
KT Kabushiki Kaisha Toshiba: 8 patents #3,802 of 21,451Top 20%
SC Sumitomo Seika Chemicals Co.: 4 patents #69 of 365Top 20%
MM Mitsubishi Materials: 4 patents #258 of 1,543Top 20%
SI Sumitomo Heavy Industries: 2 patents #252 of 917Top 30%
SI Sumitomo Metal Industries: 2 patents #334 of 1,462Top 25%
SU Subaru: 1 patents #819 of 1,684Top 50%
Yamaha Motor: 1 patents #1,283 of 2,310Top 60%
ZC Zeria Pharmaceutical Co.: 1 patents #49 of 123Top 40%
HM Hino Motors: 1 patents #109 of 311Top 40%
TO Toyota: 1 patents #15,335 of 26,838Top 60%
IL Isuzu Motors Limited: 1 patents #414 of 908Top 50%
KK Kansai Netukagaku Kabushiki Kaisha: 1 patents #2 of 32Top 7%
KS Kawasaki Steel: 1 patents #889 of 1,922Top 50%
Mazda Motor: 1 patents #2,563 of 4,755Top 55%
Mitsubishi Electric: 1 patents #15,491 of 25,717Top 65%
NC Nkk Co.: 1 patents #579 of 1,173Top 50%
📍 Nanbu, JP: #47 of 1,154 inventorsTop 5%
Overall (All Time): #101,840 of 4,157,543Top 3%
34
Patents All Time

Issued Patents All Time

Showing 26–34 of 34 patents

Patent #TitleCo-InventorsDate
5602223 Ethylene-.alpha.-olefin copolymer and a molded article therefor Toshio Sasaki, Kohzoh Miyazaki, Yuji Shigematsu, Hirofumi Johoji, Akio Uemura +1 more 1997-02-11
5508364 Process for polymerizing ethylene at high temperature under high pressure Toshio Sasaki, Hirofumi Johoji, Kohzoh Miyazaki, Toshimi Sato, Yuji Shigematsu 1996-04-16
5463000 Process for producing olefin polymers Yoshihiro Miyoshi, Kiyoshi Kawai, Hideaki Koga 1995-10-31
5459554 Image-forming apparatus for forming an image at a plurality of image-forming conditions 1995-10-17
5378778 Liquid catalyst component, catalyst system containing the same, and process for producing ethylene-.alpha.-olefin copolymers using the catalyst system Hirofumi Johoji, Toshio Sasaki, Kiyoshi Kawai 1995-01-03
5258476 Process for producing ethylene-.alpha.-olefin copolymers Toshio Sasaki, Hirofumi Johoji, Yoshihiro Miyoshi 1993-11-02
5166280 Olefin polymerization catalyst and process for producing ethylene copolymers Yoshihiro Miyoshi, Takeshi Ebara, Toshio Sasaki, Kiyoshi Kawai 1992-11-24
5077250 Olefin polymerization catalyst and process for producing ethylene copolymers Yoshihiro Miyoshi, Takeshi Ebara, Toshio Sasaki, Kiyoshi Kawai 1991-12-31
4536211 Waste gas circulation method and system for sintering apparatus Takashi Futakuchi, Kiyofumi Nakamura, Yoshimasa Sato, Toshio Tsukuda 1985-08-20