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

Hiroaki Okada — 32 Patents

TOTopcon: 15 patents #44 of 684Top 7%
Panasonic: 5 patents #5,184 of 21,108Top 25%
Brother Kogyo: 4 patents #1,445 of 2,767Top 55%
TTTessera Advanced Technologies: 2 patents #9 of 31Top 30%
MIMitsuba: 2 patents #181 of 618Top 30%
Sony: 2 patents #13,023 of 25,231Top 55%
TCToyo Soda Manufacturing Co.: 1 patents #136 of 272Top 50%
MJMahle Filter Systems Japan: 1 patents #43 of 115Top 40%
Saitama, JP: #339 of 10,685 inventorsTop 4%
Overall (All Time): #110,428 of 4,157,543Top 3%
32 Patents All Time
Hiroaki Okada has been granted 32 US patents while listed as an inventor at Topcon. The first was granted in 1981 and the most recent in October 2021. Hiroaki Okada ranks #110,428 of 4,157,543 US inventors in our database (top 2.7%). Patent records list Hiroaki Okada in Saitama, JP.

Issued Patents All Time

Showing 1–25 of 32 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
11146198 Motor control device 2021-10-12
10045691 Ophthalmologic observation apparatus using optical coherence tomography Taisaku Kogawa, Takashi Fujimura, Kohta Fujii 2018-08-14
9980643 Ophthalmologic apparatus Takashi Fujimura, Taisaku Kogawa, Ryuichi Morishima, Takefumi Hayashi 2018-05-29
9807201 Information delivery system for generating a data stream with a server system based on a content file received from a client device Keigo Futagawa 2017-10-31
9706920 Ophthalmologic apparatus Taisaku Kogawa, Takashi Fujimura, Kohta Fujii 2017-07-18
9526416 Ophthalmologic apparatus Takashi Fujimura, Taisaku Kogawa, Ryuichi Morishima, Takefumi Hayashi 2016-12-27
9451052 Information delivery system for generating a data stream with a server system based on a content file received from a client device Keigo Futagawa 2016-09-20
9408531 Ophthalmologic apparatus Taisaku Kogawa, Takashi Fujimura, Kohta Fujii 2016-08-09
8963477 SR motor control apparatus Toshiaki Isomura 2015-02-24
8856217 Information delivery system for generating a data stream with a server system based on a content file received from a client device Keigo Futagawa 2014-10-07 $161,000
8192024 Optical image measurement device and program for controlling the same Kazuhiko Yumikake, Yutaka Nishio, Tsutomu Kikawa 2012-06-05
8177362 Optical image measurement device Yutaka Nishio, Tsutomu Kikawa, Kazuhiko Yumikake 2012-05-15
8150906 Information delivery system for generating a data stream with a server system based on a content file received from a client device Keigo Futagawa 2012-04-03 $134,000
8098278 Optical image measurement device Kazuhiko Yumikake, Tsutomu Kikawa 2012-01-17
7982880 Optical image measurement device Tsutomu Kikawa, Takefumi Hayashi, Hisashi Tsukada, Yasufumi Fukuma 2011-07-19
7859680 Optical image measurement device Tomoyoshi Abe, Takefumi Hayashi 2010-12-28
7777893 Optical image measurement device Tsutomu Kikawa, Takefumi Hayashi, Hisashi Tsukada, Yasufumi Fukuma 2010-08-17 $326,000
7643154 Optical image measurement device Tsutomu Kikawa, Takefumi Hayashi, Hisashi Tsukada, Yasufumi Fukuma 2010-01-05 $638,000
7566132 Fundus observation device Yasufumi Fukuma, Hiroyuki Otsuka, Kazuhiko Yumikake, Yutaka Nishio 2009-07-28 $563,000
7549746 Fundus observation device Hisashi Tsukada, Yutaka Nishio, Yasufumi Fukuma 2009-06-23 $706,000
7190873 Wiring device for optical fiber Satoru Tanaka, Masaru Yoshida, Jun Tokuda, Yasuichi Kinekawa, Toshifumi Sakamoto +1 more 2007-03-13 $428,000
7134426 Fuel vapor treatment device Masashi Uchino, Masaru Nakano, Eiji Yamada, Hiroyuki Yoshida 2006-11-14
6400013 Thermoelectric module with interarray bridges Michimasa Tsuzaki, Nobuteru Maekawa, Narimasa Iwamoto, Junji Imai, Teruaki Komatsu +4 more 2002-06-04 $232,000
6399909 Keyswitch for keyboard 2002-06-04
6391676 Thermoelectric module and a method of fabricating the same Michimasa Tsuzaki, Nobuteru Maekawa, Narimasa Iwamoto, Junji Imai, Teruaki Komatsu +4 more 2002-05-21 $182,000