Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Seiichi Mita — 71 Patents

Hitachi: 61 patents #158 of 28,497Top 1%
HDHitachi Denshi: 8 patents #5 of 275Top 2%
HGHGST: 4 patents #514 of 1,677Top 35%
Denso: 3 patents #3,857 of 11,792Top 35%
Toyota: 3 patents #8,470 of 26,838Top 35%
NGN.V. Philips Gloeilampenfabrieken: 2 patents #1 of 12Top 9%
HIHitachi Video Engineering, Incorporated: 2 patents #34 of 181Top 20%
HSHitachi Video And Information Systems: 2 patents #78 of 269Top 30%
HMHitachi Medical: 2 patents #260 of 680Top 40%
HEHitachi Video Eng.: 1 patents #2 of 36Top 6%
HAHatachi: 1 patents #1 of 40Top 3%
U.S. Philips: 1 patents #4,149 of 8,851Top 50%
Nagoya, JP: #54 of 6,680 inventorsTop 1%
Overall (All Time): #28,405 of 4,157,543Top 1%
71 Patents All Time
Seiichi Mita has been granted 71 US patents while listed as an inventor at Hitachi. The first was granted in 1981 and the most recent in December 2019. Seiichi Mita ranks #28,405 of 4,157,543 US inventors in our database (top 0.68%). Patent records list Seiichi Mita in Nagoya, JP.

Patents per Year

Patents granted per year, 1981 to 2019Bar chart with a peak of 5 patents in 1987.peak 51981: 1 patents19811983: 1 patents1985: 1 patents1986: 1 patents19861987: 5 patents1988: 3 patents1989: 2 patents19891990: 2 patents1991: 4 patents1992: 3 patents19921993: 1 patents1994: 1 patents1995: 2 patents19951996: 3 patents1997: 3 patents1998: 4 patents19981999: 4 patents2000: 3 patents2001: 5 patents20012002: 5 patents2003: 3 patents2004: 3 patents20042005: 2 patents2006: 2 patents2007: 2 patents20072008: 1 patents2012: 1 patents2017: 1 patents20172018: 1 patents2019: 1 patents2019

Issued Patents All Time

Showing 1–25 of 71 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
10502832 Object recognition apparatus and noise removal method Hossein Tehrani Niknejad, Utsushi Sakai, Takashi Ogawa, Qiwei Xie 2019-12-10
10043106 Corresponding point searching method and distance detection device Kazuhisa Ishimaru, Noriaki Shirai, Hossein Tehrani Niknejad, Qiwei Xie, Qian Long 2018-08-07
9796378 Vehicle travel path generating apparatus Tomohiko Tsuruta, Yusuke Ueda, Takeshi Hatoh, Takayuki Kondoh, Naoya Inoue +1 more 2017-10-24
8117518 Signal processing apparatus and a data recording and reproducing apparatus including local memory processor Terumi Takashi, Atsushi Saito 2012-02-14 $116,000
7334165 Signal processing apparatus and a data recording and reproducing apparatus including local memory processor Terumi Takashi, Atsushi Saito 2008-02-19 $177,000
7296215 Signal processing method and signal processing circuit Morishi Izumita, Terumi Takashi, Hideki Sawaguchi 2007-11-13 $177,000
7199955 Decoding apparatus and decoding method Akihiko Hirano, Yoshiju Watanabe 2007-04-03 $237,000
7046745 Signal processing circuit Hideki Sawaguchi, Naoya Kobayashi, Masaharu Kondo 2006-05-16 $99,000
7028214 Signal processing apparatus and a data recording and reproducing apparatus including local memory processor Terumi Takashi, Atsushi Saito 2006-04-11 $147,000
6873665 Digital magnetic recording/reproducing apparatus Naoya Kobayashi, Masaharu Kondo, Hideki Sawaguchi, Takashi Moriyasu 2005-03-29 $111,000
6842875 Signal processing apparatus and method, and data recording/reproducing apparatus using the same Masaharu Kondo 2005-01-11 $142,000
6731441 Information recording and reproducing apparatus Hideaki Maeda, Morishi Izumita, Terumi Takashi 2004-05-04 $251,000
6725418 Decoding circuit using path sequence including feed-back type path sequence storing blocks Hideki Sawaguchi, Akihiko Hirano, Terumi Takashi 2004-04-20 $259,000
6704154 Decoding apparatus and decoding method Akihiko Hirano, Yoshiju Watanabe 2004-03-09 $264,000
6661594 Signal processing circuit and information recording/reproducing apparatus using the same, and method for optimizing coefficients of equalizer circuit Naoki Satoh, Shoichi Miyazawa, Terumi Takashi, Yosuke Hori, Yoshiju Watanabe +8 more 2003-12-09 $174,000
6577461 Magnetic disk drive Naoki Satoh 2003-06-10 $112,000
6519715 Signal processing apparatus and a data recording and reproducing apparatus including local memory processor Terumi Takashi, Atsushi Saito 2003-02-11 $143,000
6493165 Magnetic disk drive Naoki Satoh 2002-12-10 $102,000
6493846 Signal processing apparatus and method, and data recording/reproducing apparatus using the same Masaharu Kondo 2002-12-10 $102,000
6373407 Data encoding method for digital data recording and data recording system using the same Takushi Nishiya, Tatsuya Hirai, Takashi Nara, Yoichi Uehara, Hiroshi Ide +2 more 2002-04-16 $196,000
6337889 Partial response demodulating method and apparatus using the same Hideki Sawaguchi, Naoya Kobayashi, Masaharu Kondo 2002-01-08 $223,000
6335841 Coding apparatus and coding method Akihiko Hirano, Yoshiju Watanabe 2002-01-01
6334201 Decoding circuit and information processing apparatus Hideki Sawaguchi, Akihiko Hirano, Terumi Takashi 2001-12-25
6326838 Time sharing analog filters control method and magnetic disk system Hiroshi Kimura, Takushi Nishiya, Takatoshi Kato, Takashi Nara 2001-12-04 $233,000
6320916 Digital magnetic recording/reproducing apparatus Naoya Kobayashi, Masaharu Kondo, Hideki Sawaguchi, Takashi Moriyasu 2001-11-20 $165,000