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

Nobuhiko Hosotani — 25 Patents

Hitachi: 22 patents #1,535 of 28,497Top 6%
HCHitachi Device Engineering Co.: 4 patents #116 of 514Top 25%
HCHitachi Electronic Devices Co.: 3 patents #25 of 92Top 30%
HDHitachi Displays: 2 patents #384 of 752Top 55%
Mobara, JP: #40 of 731 inventorsTop 6%
Overall (All Time): #158,593 of 4,157,543Top 4%
25 Patents All Time
Nobuhiko Hosotani has been granted 25 US patents while listed as an inventor at Hitachi. The first was granted in 1997 and the most recent in July 2010. Nobuhiko Hosotani ranks #158,593 of 4,157,543 US inventors in our database (top 3.8%). Patent records list Nobuhiko Hosotani in Mobara, JP.

Patents per Year

Patents granted per year, 1997 to 2010Bar chart with a peak of 6 patents in 2003.peak 61997: 1 patents19972000: 4 patents20002001: 5 patents20012002: 4 patents20022003: 6 patents20032004: 2 patents20042008: 2 patents20082010: 1 patents2010

Issued Patents All Time

Showing 1–25 of 25 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
7755269 Spacer and image display panel using the same Yuichi Sawai, Osamu Shiono, Takashi Namekawa, Hiroshi Ito, Keiichi Kanazawa +6 more 2010-07-13 $64,000
7471261 Display device Mitsuru Goto, Toshio Miyazawa, Hiroyuki Takahashi, Hitoshi Komeno 2008-12-30 $97,000
7452489 Conductive material, method of producing the same, visual display device, and glass spacer thereof Yuichi Sawai, Osamu Shiono, Takashi Namekawa, Takashi Naitou, Mitsuo Hayashibara +2 more 2008-11-18 $186,000
6797406 Composite gradient alloy plate, manufacturing method thereof and color cathode ray tube having shadow mask using the composite gradient alloy plate Noriharu Matsudate 2004-09-28 $171,000
6690106 Color cathode ray tube Haruhiko Yoshida, Mitsuru Watanabe, Hiroshi Itou 2004-02-10 $322,000
6670743 Color cathode ray tube having a shadow mask structure Hiroshi Ito, Mitsuru Watanabe, Haruhiko Yoshida 2003-12-30 $237,000
6639348 CRT having an improved internal conductive coating and making the same Hiroshi Ito, Shunichi Matsumoto, Kiyoshi Sento, Kazuyuki Nishimura, Masatoshi Akiyama 2003-10-28 $159,000
6597092 Shadow mask having particular design of upper and lower holes for improved strength and halation characteristics Takeharu Furusawa, Yoshiki Nakano, Hideyuki Ohsaka 2003-07-22 $178,000
6590327 Color cathode ray tube having flat outer face Takeharu Furusawa, Mutsumi Maehara 2003-07-08 $150,000
6552481 Color cathode ray tube having deformation-resistant shadow mask Takeharu Furusawa, Sadao Umezawa 2003-04-22 $117,000
6545400 Shadow mask type color cathode ray tube having a shadow mask with curls thereof reduced Hiroshi Ito, Mitsuru Watanabe, Haruhiko Yoshida 2003-04-08 $91,000
6501214 Color cathode ray tube Hideharu Sakamoto, Koji Hagiwara 2002-12-31 $97,000
6465947 Color picture tube Toshio Tojo, Masahiro Nishizawa, Norikazu Uchiyama, Maki Taniguchi 2002-10-15 $110,000
6437497 Color cathode ray tube having an improved shadow mask Hiroshi Ito, Masahiro Ito, Koji Hagiwara 2002-08-20 $103,000
6342759 Color cathode ray tube having an improved phosphor screen 2002-01-29 $286,000
6307311 Color cathode ray tube having a shadow mask structure Hiroshi Ito, Mitsuru Watanabe, Haruhiko Yoshida 2001-10-23 $211,000
6294864 Color cathode-ray tube with shadow mask having L-shaped bi-metallic springs Tatsuya Mochizuki, Yasumasa Tsuchiya, Takehiko Ueyama, Masakazu Tsuruoka 2001-09-25 $259,000
6285122 Color cathode ray tube with cover film on panel unit 2001-09-04 $197,000
6274974 Color cathode ray tube having an improved shadow mask structure Hiroshi Ito, Masahiro Ito, Koji Hagiwara 2001-08-14 $251,000
6259194 Shadow mask type color cathode ray tube having a shadow mask with curls thereof reduced Hiroshi Ito, Mitsuru Watanabe, Haruhiko Yoshida 2001-07-10 $327,000
6140756 Panel for color cathode ray tube 2000-10-31 $577,000
6114803 Color cathode ray tube 2000-09-05 $694,000
6111346 Color cathode ray tube having shadow mask structure with curl reduced in skirt portion Hiroshi Ito, Masahiro Ito, Koji Hagiwara 2000-08-29 $502,000
6064147 Color cathode ray tube having phosphor screen with specific horizontal and vertical phosphor dot pitch 2000-05-16 $644,000
5616985 Shadow-mask color cathode ray tube 1997-04-01 $107,000