Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
SH

Shigeo Hirano — 97 Patents

Fujitsu Limited: 95 patents #47 of 24,456Top 1%
Sumitomo Electric Industries: 2 patents #9,741 of 21,551Top 50%
Odawara, JP: #11 of 1,597 inventorsTop 1%
Overall (All Time): #15,415 of 4,157,543Top 1%
97 Patents All Time
Shigeo Hirano has been granted 97 US patents while listed as an inventor at Fujitsu Limited. The first was granted in 1980 and the most recent in January 2007. Shigeo Hirano ranks #15,415 of 4,157,543 US inventors in our database (top 0.37%). Patent records list Shigeo Hirano in Odawara, JP.

Patents per Year

Patents granted per year, 1980 to 2007Bar chart with a peak of 9 patents in 1984.peak 91980: 1 patents19801981: 6 patents1982: 5 patents1983: 2 patents19831984: 9 patents1985: 5 patents1986: 3 patents19861987: 1 patents1988: 9 patents1989: 8 patents19891990: 6 patents1991: 6 patents1992: 4 patents19921993: 2 patents1994: 1 patents1995: 2 patents19951996: 1 patents1997: 2 patents1998: 5 patents19981999: 5 patents2000: 5 patents2001: 2 patents20012002: 3 patents2003: 2 patents2006: 1 patents20062007: 1 patents2007

Issued Patents All Time

Showing 1–25 of 97 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
7169481 Radiation image conversion panel and manufacturing method therefor Hiroshi Ogawa, Shinichiro Fukui, Yasuo Iwabuchi, Noriyuki Inoue 2007-01-30 $58,000
7081031 Method of producing plasma display devices Hiroshi Watanabe, Toshio Imai, Akira Mizuno, Yutaka Tani 2006-07-25 $773,000
6593069 Photothermographic material and method for forming images Toyohisa Oya, Kazunobu Katoh 2003-07-15 $20,000
6572986 Radiation image storage panel and process for producing the same Hiroshi Ogawa, Shinichiro Fukui, Yasuo Iwabuchi, Noriyuki Inoue 2003-06-03 $21,000
6358677 Heat-developable recording material Masahiko Taniguchi, Katsuyuki Watanabe, Minoru Sakai 2002-03-19 $48,000
6350569 Heat-developable photographic material Katsuyuki Watanabe, Hiroyuki Suzuki, Masaru Takasaki 2002-02-26 $36,000
6340560 Aminopolycarboxylic acid chelating agent, heavy metal chelate compound thereof, photographic additive and processing method Tadashi Inaba, Kiyoshi Morimoto 2002-01-22 $26,000
6306574 Photothermographic material Kohzaburoh Yamada, Toshiaki Kubo 2001-10-23 $39,000
6169206 4-(n,n-dialkylamino)aniline compound, photographic processing composition containing the same and color image-forming method Keizo Kimura, Hiroshi Kawamoto 2001-01-02 $159,000
6165707 Photothermographic or thermographic image-forming material Satoru Toda, Masahiko Taniguchi, Hiroyuki Suzuki 2000-12-26 $100,000
6120983 Photothermographic material, novel 2,3-dihydrothiazole derivative, and photographic silver halide photosensitive material Hisashi Okada, Ryo Suzuki, Naoki Asanuma, Tadashi Ikeda 2000-09-19 $98,000
6043006 4-(N,N-dialkylamino)aniline compound, photographic processing composition containing the same and color image-forming method Keizo Kimura, Hiroshi Kawamoto 2000-03-28 $177,000
6027872 Thermographic photographic element Ryo Suzuki, Tsutomu Arai, Katsuyuki Watanabe, Minoru Sakai 2000-02-22 $133,000
6025122 Heat-developable photographic materials Minoru Sakai, Katsuyuki Watanabe 2000-02-15 $177,000
6005111 Color developing agent, processing composition and color image-forming method Masato Taniguchi, Kiyoshi Morimoto, Keizo Kimura, Kazumi Nii 1999-12-21 $156,000
5994546 4-(N,N-dialklylamino)aniline compounds, photographic processing composition containing the same and color image-forming method Keizo Kimura, Hiroshi Kawamoto 1999-11-30 $94,000
5971566 Plasma display device and its manufacturing method Yutaka Tani 1999-10-26 $183,000
5962200 Color developing agent, processing composition and color image-forming method Masato Taniguchi, Kiyoshi Morimoto, Keizo Kimura, Kazumi Nii 1999-10-05 $113,000
5885757 Aminopolycarboxylic acid chelating agent, heavy metal chelate compound thereof, photographic additive and processing method Tadashi Inaba, Kiyoshi Morimoto 1999-03-23 $155,000
5830625 Silver halide color photographic material and processing method thereof 1998-11-03 $115,000
5821041 Liquid developer for photographic silver halide photosensitive material and development method Eiichi Okutsu, Kazue Sano 1998-10-13 $186,000
5773203 4-(N,N-dialkylamino)aniline compounds, photographic processing composition containing the same and color image-forming method Keizo Kimura, Hiroshi Kawamoto 1998-06-30 $94,000
5744279 Silver halide photographic material Toshihide Ezoe, Toshiaki Kubo, Hiroshi Takeuchi, Kazunobu Katoh, Kazuki Yamazaki +3 more 1998-04-28 $93,000
5721093 Color developing agent, processing composition and color image-forming method Keizo Kimura 1998-02-24 $105,000
5688630 Silver halide photographic material Kohzaburoh Yamada, Hiroshi Takeuchi, Takashi Hoshimiya, Toshihide Ezoe, Minoru Sakai 1997-11-18 $412,000