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

Hideki Seki — 39 Patents

Denso: 26 patents #239 of 11,792Top 3%
Sony: 7 patents #6,060 of 25,231Top 25%
Nec: 4 patents #3,401 of 14,502Top 25%
NSNippon Sanso: 1 patents #107 of 243Top 45%
NSNippon Soken: 1 patents #783 of 1,540Top 55%
TCToyoda Gosei Co.: 1 patents #1,271 of 2,296Top 60%
Kariya, JP: #122 of 4,822 inventorsTop 3%
Overall (All Time): #81,245 of 4,157,543Top 2%
39 Patents All Time
Hideki Seki has been granted 39 US patents while listed as an inventor at Denso. The first was granted in 1996 and the most recent in July 2025. Hideki Seki ranks #81,245 of 4,157,543 US inventors in our database (top 2.0%). Patent records list Hideki Seki in Kariya, JP.

Patents per Year

Patents granted per year, 1996 to 2025Bar chart with a peak of 7 patents in 2020.peak 71996: 1 patents19962002: 1 patents2003: 1 patents20032004: 2 patents2005: 2 patents20052007: 2 patents2009: 1 patents20092010: 1 patents2011: 3 patents20112012: 3 patents2013: 1 patents20132018: 1 patents2019: 1 patents20192020: 7 patents2021: 3 patents20212022: 4 patents2024: 2 patents20242025: 3 patents2025

Issued Patents All Time

Showing 1–25 of 39 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12365218 Heater device Yusuke Tanaka, Kimitake ISHIKAWA 2025-07-22
12331937 Heater device Kimitake ISHIKAWA, Yusuke Tanaka, Shuji Ito 2025-06-17
12328800 Heater device Yusuke Tanaka, Kimitake ISHIKAWA 2025-06-10
12107438 Power receiving device Shinichiro FUKI, Teppei Yamakoshi 2024-10-01
12016793 Heating and cooling stimulation device Takashi Matsuoka, Takuya Kataoka, Masaru Kakizaki, Taiji Kawachi, Yuuki SHIMIZU 2024-06-25
11497084 Heater device Kimitake ISHIKAWA, Hirokazu YAMADAKI, Yusuke Tanaka 2022-11-08
11440375 Radiant heater device Kimitake ISHIKAWA, Hiroyasu Oide, Yusuke Tanaka 2022-09-13
11440449 Seat air-conditioner Masafumi Kawashima, Shuji Ito, Hironobu Murakami, Takahisa Fujii 2022-09-13
11382430 Heater device Yusuke Tanaka, Kimitake ISHIKAWA, Hiroyasu Oide 2022-07-12
11077734 Vehicle control system with idling stop control Kimitake ISHIKAWA, Hideaki Kako, Hiroyasu Oide, Yusuke Tanaka 2021-08-03
10960732 Heater device Kimitake ISHIKAWA, Hiroyasu Oide, Yuusuke TANAKA 2021-03-30
10913328 Heater device Yusuke Tanaka, Kimitake ISHIKAWA, Hiroyasu Oide 2021-02-09
10717343 Heating device Kimitake ISHIKAWA, Yasuhiro Sagou, Toshinori Ochiai 2020-07-21
10717342 Heating apparatus Yasuhiro Sagou, Kimitake ISHIKAWA, Hiroyasu Oide, Hideaki Kako 2020-07-21
10661634 Heater device Hiroyasu Oide, Hideaki Kako, Kimitake ISHIKAWA 2020-05-26
10613605 Service device, power supply control method, program, external power supply device, and server system 2020-04-07
10583713 Heating system for vehicle switchable between non-contact and contact heating priority modes Yasuhiro Sagou, Hideaki Kako, Kimitake ISHIKAWA, Hiroyasu Oide 2020-03-10
10583712 Perceivable steam suppressing heater system Yasuhiro SAGO, Hideaki Kako, Kimitake ISHIKAWA, Hiroyasu Oide 2020-03-10
10563870 Radiation heating device Kimitake ISHIKAWA, Hideaki Kako, Hiroyasu Oide, Yoshinobu Sumida, Yasuhiro Sagou 2020-02-18
10427498 Radiant heater Yasuhiro Sagou, Hideaki Kako, Kimitake ISHIKAWA, Hiroyasu Oide, Kouji Kondoh +2 more 2019-10-01
10104719 Radiant heater device Kimitake ISHIKAWA, Hideaki Kako, Yasuhiro Sagou, Hiroyasu Oide 2018-10-16
8538059 Ear speaker device Makoto Yamagishi, Noriyuki Hiyama, Yukimasa Yamaguchi, Takeshi Hara 2013-09-17 $180,000
8254613 Speaker apparatus Makoto Yamagishi, Yousuke Takahashi 2012-08-28 $90,000
8175316 Ear speaker device Makoto Yamagishi, Noriyuki Hiyama, Yukimasa Yamaguchi, Takeshi Hara 2012-05-08 $120,000
8094853 Speaker system and fitting device 2012-01-10 $123,000