Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Sumio Wada — 19 Patents

Panasonic: 15 patents #1,542 of 21,108Top 8%
TETeac: 4 patents #89 of 440Top 25%
Kitakyushu, JP: #84 of 2,007 inventorsTop 5%
Overall (All Time): #229,345 of 4,157,543Top 6%
19 Patents All Time
Sumio Wada has been granted 19 US patents while listed as an inventor at Panasonic. The first was granted in 1985 and the most recent in August 2013. Sumio Wada ranks #229,345 of 4,157,543 US inventors in our database (top 5.5%). Patent records list Sumio Wada in Kitakyushu, JP.

Patents per Year

Patents granted per year, 1985 to 2013Bar chart with a peak of 3 patents in 2011.peak 31985: 1 patents19851989: 1 patents1990: 2 patents19901991: 1 patents1992: 2 patents19921994: 1 patents2009: 1 patents20092010: 2 patents2011: 3 patents20112012: 3 patents2013: 2 patents2013

Issued Patents All Time

Showing 1–19 of 19 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
8505839 Electrostatically atomizing device Takeshi Yano, Toshihisa Hirai, Akihide Sugawa, Tatsuhiko Matsumoto, Shousuke Akisada 2013-08-13
8448883 Electrostatically atomizing device Atsushi Isaka, Kenji C. Obata, Yutaka Uratani, Shousuke Akisada, Hiroshi Suda +1 more 2013-05-28
8282028 Electrostatically atomizing device Takayuki Nakada, Hiroshi Suda, Masaharu Machi, Atsushi Isaka, Akihide Sugawa 2012-10-09 $53,000
8235312 Electrostatic atomizer Hiroshi Suda, Takayuki Nakada, Masaharu Machi, Tomohiro Yamaguchi 2012-08-07 $69,000
8191805 Electrostatic atomizer Takayuki Nakada, Hiroshi Suda, Masaharu Machi, Tomohiro Yamaguchi 2012-06-05 $60,000
8035998 Switching power supply Kyohei Kada, Mikio Itou, Shousuke Akisada, Atsushi Isaka, Kenji C. Obata 2011-10-11 $64,000
7959717 Air conditioning system with electrostatically atomizing function Takeshi Yano, Toshihisa Hirai, Akihide Sugawa, Tatsuhiko Matsumoto, Shousuke Akisada 2011-06-14 $100,000
7861954 Electrostatic atomizer Shousuke Akisada, Toshihisa Hirai, Tatsuhiko Matsumoto 2011-01-04 $140,000
7854403 Electrostatically atomizing device Takeshi Yano, Toshihisa Hirai, Akihide Sugawa, Tatsuhiko Matsumoto, Shousuke Akisada 2010-12-21 $133,000
7837134 Electrostatically atomizing device Shousuke Akisada, Toshihisa Hirai, Mikio Itou, Kyohei Kada 2010-11-23 $113,000
7567420 Electrostatically atomizing device Kentaro Kobayashi, Hirokazu Yoshioka, Tomoharu Watanabe, Akihide Sugawa, Shousuke Akisada +7 more 2009-07-28 $418,000
5305157 Read circuit providing two different reference levels for reading the servo sectors and data sectors of a rotating data storage disk Keishi Ueno 1994-04-19
5126895 Shockproof data transducer position control system for rotating disk data storage apparatus Kazuhiko Yasuda, Akira Shinohara 1992-06-30
5079654 Data transducer position control system for data transfer apparatus employing dislike record media Hisatoshi Uno, Akira Takeda, Kazuhiko Yasuda 1992-01-07
5034871 DC to DC converter with steady control of output DC voltage by monitoring output DC current Toyokatsu Okamoto 1991-07-23 $40,000
4942884 Portable battery powered electromagnetic therapy application Tsutomu Ichinomiya, Tomohiro Kami, Fumio Kitagawa, Hideaki Abe, Youichi Ise +1 more 1990-07-24 $127,000
4926881 Portable battery powered electromagnetic therapy applicator Tsutomu Ichinomiya, Tomohiro Kami, Fumio Kitagawa, Hideaki Abe, Youichi Ise +1 more 1990-05-22 $101,000
4875116 Transducer position control system for data transfer apparatus employing disklike record media Kazuhiko Yasuda 1989-10-17
4551666 Quick charging apparatus Satoru Inakagata 1985-11-05 $90,000