HM

Hirotaka Matsumoto

Fujitsu Limited: 14 patents #2,150 of 24,456Top 9%
TK Toshiba Tec Kabushiki Kaisha: 14 patents #205 of 1,664Top 15%
KT Kabushiki Kaisha Toshiba: 12 patents #2,533 of 21,451Top 15%
IBM: 5 patents #18,733 of 70,183Top 30%
FU Fujifilm: 1 patents #3,076 of 4,519Top 70%
Overall (All Time): #101,716 of 4,157,543Top 3%
34
Patents All Time

Issued Patents All Time

Showing 26–34 of 34 patents

Patent #TitleCo-InventorsDate
6416922 Azomethine dye precursor, image-forming material, and image-forming method Hiroshi Sato, Masatoshi Yumoto, Yoshimitsu Arai 2002-07-09
6314252 Image forming apparatus and method of a forming image 2001-11-06
5958668 Recording material Kimi Ikeda, Hisashi Okada 1999-09-28
5532373 Aluminate complex and use thereof in photopolymerizable composition and image-forming material Jun Yamaguchi, Naoto Yanagihara, Hisashi Yamamoto 1996-07-02
5484682 Light-sensitive bistrihalomethyl-s-triazine compound and photopolymerizable composition containing same Ken Iwakura, Yuichi Wakata, Mikio Totsuka 1996-01-16
5408296 Color proof making apparatus Hirokazu Okutsu, Mineo Ohta 1995-04-18
5362874 Light-sensitive bistrihalomethyl-s-triazine compounds Ken Iwakura, Yuichi Wakata, Mikio Totsuka 1994-11-08
5091280 Light- and heat-sensitive recording material Jun Yamaguchi, Shintaro Washizu, Ken Iwakura, Yuuichi Fukushige 1992-02-25
4997745 Photosensitive composition and photopolymerizable composition employing the same Kouichi Kawamura, Jun Yamaguchi 1991-03-05