Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Nobuo Yamada — 29 Patents

NCNihon Technica Co.: 7 patents #1 of 1Top 100%
Ricoh Company: 4 patents #4,169 of 9,818Top 45%
TCTakasago Perfumery Co.: 3 patents #7 of 65Top 15%
MCMitsuba Electric Manufacturing Co.: 2 patents #43 of 176Top 25%
AKArakawa Kagaku Kogyo Kabushiki Kaisha: 2 patents #11 of 51Top 25%
OCOsaka Soda Co.: 1 patents #36 of 87Top 45%
SCSankyo Holdings Co.: 1 patents #423 of 700Top 65%
TCToyo Ink Mfg. Co.: 1 patents #227 of 499Top 50%
Toyota: 1 patents #15,486 of 26,838Top 60%
Nec: 1 patents #7,928 of 14,502Top 55%
OCOji Paper Co.: 1 patents #173 of 423Top 45%
DCDaiso Co.: 1 patents #82 of 151Top 55%
KSKawasaki Steel: 1 patents #889 of 1,922Top 50%
NCNippondenso Co.: 1 patents #1,765 of 3,479Top 55%
ACAisan Industry Co.: 1 patents #46 of 109Top 45%
Kariya, JP: #215 of 4,822 inventorsTop 5%
Overall (All Time): #127,851 of 4,157,543Top 4%
29 Patents All Time
Nobuo Yamada has been granted 29 US patents while listed as an inventor at Nihon Technica Co.. The first was granted in 1980 and the most recent in March 2016. Nobuo Yamada ranks #127,851 of 4,157,543 US inventors in our database (top 3.1%). Patent records list Nobuo Yamada in Kariya, JP.

Issued Patents All Time

Showing 1–25 of 29 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
9296314 Spiral spring 2016-03-29
8714653 Supporting structure of headrest bracket 2014-05-06
8070222 Headrest device for active headrest 2011-12-06
7434886 Headrest support and locking member which is assembled to headrest support 2008-10-14
7407700 Coated paper for printing Takayuki Kishida, Yoshiki Kojima, Yasuhiro Arai, Tetsuya Hirabayashi 2008-08-05 $1,130,000
6969118 Headrest support structure 2005-11-29
6832816 Metallic cylindrical member and metallic bracket 2004-12-21
6769740 Mechanism of reclining vehicular seat 2004-08-03
6516058 Voice network access system Kunio Iimura 2003-02-04 $7,000
6454356 Head rest support 2002-09-24
6364968 High-strength hot-rolled steel sheet having excellent stretch flangeability, and method of producing the same Eiko Yasuhara, Akio Tosaka, Osamu Furukimi, Takao Uchiyama 2002-04-02
6066752 Process for producing sulfur-containing organosilicon compounds and synthetic intermediates thereof Toshikazu Takata, Motoki Kitagawa, Masato Tabuchi 2000-05-23
6060425 Reversible thermosensitive recording material Kunichika Morohoshi, Yoshihiko Hotta, Yukio Konagaya, Makoto Kawaguchi, Fumihito Masubuchi +1 more 2000-05-09
5643851 Reversible thermosensitive recording label and reversible thermosensitive recording card Yukio Konagaya, Takao Igawa, Akihide Ito, Tohru Nogiwa, Tsutomu Kagawa 1997-07-01
5449892 Information reading apparatus 1995-09-12
5321239 Card processing method Fumihito Masubuchi, Yoshihiko Hotta, Kunichika Morohoshi, Makoto Kawaguchi, Yukio Konagaya +1 more 1994-06-14
5310718 Method of compensating for distortion in recording layer in reversible thermosensitive recording medium Tetsuya Amano, Makoto Kawaguchi, Yoshihiko Hotta, Atsushi Kutami, Kunichika Morohoshi +5 more 1994-05-10
5213833 Preserving agent and method for its production Taku Wada, Yoshio Iwai, Takafumi Sano, Mituo Kanaoka, Misao Kashiwamata 1993-05-25
4962242 Process for producing optically active alcohols Toshiyuki Takezawa, Noboru Sayo, Misao Yagi, Hidenori Kumobayashi, Susumu Akutagawa +3 more 1990-10-09
4885274 Perfume composition Toyohiko Kobayashi 1989-12-05
4863825 Low temperature electrophotographic toner composition comprising nonlinear polyester resin Nobuyuki Yoshimoto, Hirobumi Iemura, Osamu Oseto 1989-09-05
4814249 Electrophotographic toner composition excellent in fixing property at low temperature Osamu Oseto 1989-03-21
4739084 Ruthenium-phosphine complex Hidemasa Takaya, Tetsuo Ohta, Ryoji Noyori, Toshiyuki Takezawa, Noboru Sayo +3 more 1988-04-19
4726113 Process for manufacturing a commutator Takashi Shibata, Yoshikazu Mada, Masaki Iizima 1988-02-23
4705977 Molded commutator with enlarged diameter riser section Takashi Shibata, Yoshikazu Mada, Masaki Iizima 1987-11-10