Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Masataka Deguchi — 25 Patents

Denso: 14 patents #767 of 11,792Top 7%
Toyota: 8 patents #3,687 of 26,838Top 15%
NUNational University Corporation Nagoya University: 1 patents #247 of 782Top 35%
NSNippon Soken: 1 patents #783 of 1,540Top 55%
SCShin-Etsu Chemical Co.: 1 patents #1,340 of 2,176Top 65%
Nagoya, JP: #338 of 6,680 inventorsTop 6%
Overall (All Time): #158,593 of 4,157,543Top 4%
25 Patents All Time
Masataka Deguchi has been granted 25 US patents while listed as an inventor at Denso. The first was granted in 2016 and the most recent in December 2025. Masataka Deguchi ranks #158,593 of 4,157,543 US inventors in our database (top 3.8%). Patent records list Masataka Deguchi in Nagoya, JP.

Patents per Year

Patents granted per year, 2016 to 2025Bar chart with a peak of 6 patents in 2017.peak 62016: 2 patents20162017: 6 patents20172018: 1 patents20182019: 2 patents20192020: 5 patents20202021: 1 patents20212022: 4 patents20222024: 1 patents20242025: 3 patents2025

Issued Patents All Time

Showing 1–25 of 25 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12510583 State determination device and vehicle Jun Muramatsu, Ryosuke Okachi, Katsuhiro Kutsuki, Takashi Tominaga 2025-12-30
12449471 Method for predicting failure of semiconductor device, and semiconductor device Jun Muramatsu, Keita KATAOKA, Katsuhiro Kutsuki, Isao Aoyagi, Takashi Tominaga +2 more 2025-10-21
12391860 Thermal-conductive silicone composition Keita KITAZAWA, Wataru TOYA, Ayako Yamaguchi, Koji Nakanishi, Ryo Miyazaki 2025-08-19
12101036 Electric power converter — 2024-09-24
11398717 Spark plug and method for manufacturing the same — 2022-07-26
11367999 Spark plug and method of producing central electrode thereof — 2022-06-21
11296594 Failure prediction system — 2022-04-05
11218081 Power converter Akihiro Ueda, Koji Yasui, Hirotaka Ohno 2022-01-04
11075140 Heat conduction structure or semiconductor apparatus Takeshi Bessho, Nagahiro Saito, Kazuo Hashimi 2021-07-27 $969,000
10873176 Spark plug and method of producing the same — 2020-12-22
10736238 Semiconductor device Kazunori Uchiyama, Naoki Hakamada, Tomo Sasaki, Koji Hotta, Tadafumi Yoshida 2020-08-04 $646,000
10660244 Semiconductor unit — 2020-05-19 $391,000
10647094 Thermally conductive composite material Megumi Sasaki, Hiromitsu Tanaka, Shinichi Miura, Masaki Terada, Tetsuyoshi Fukaya 2020-05-12 $554,000
10622280 Semiconductor device — 2020-04-14 $499,000
10483186 Semiconductor device with heat radiator — 2019-11-19 $325,000
10422592 Double-sided cooler — 2019-09-24 $581,000
9897064 Ignition coil for internal combustion engine — 2018-02-20
9825432 Spark plug for internal combustion engine and production method thereof Kanechiyo Terada, Tetsuya Miwa, Yuuki Tsukamoto 2017-11-21
9797363 Control apparatus for an internal combustion engine — 2017-10-24
9793687 Spark plug for internal combustion engine, having an annular ground electrode facing an outer circumference of a center electrode Masamichi Shibata, Kanechiyo Terada, Tetsuya Miwa, Hironori Osamura, Yuuki Tsukamoto 2017-10-17
9768095 Semiconductor device and manufacturing method thereof Tomo Sasaki, Akio Kitami, Tadafumi Yoshida, Kazunori Uchiyama, Naoki Hakamada 2017-09-19
9647428 Spark plug for internal combustion engine — 2017-05-09
9543740 Ignition system with voltage limiting related to usage time increase — 2017-01-10
9385510 Spark plug for internal combustion engine and method of manufacturing spark plug Hironori Osamura, Kanechiyo Terada, Junichi Wada, Masamichi Shibata, Yuuki Tsukamoto 2016-07-05
9231378 Spark plug for internal combustion engine — 2016-01-05

Frequent Collaborators

Yuuki Tsukamoto3 shared
Kanechiyo Terada3 shared
Naoki Hakamada2 shared
Ryosuke Okachi2 shared
Kazunori Uchiyama2 shared
Tetsuya Miwa2 shared

Nearby-Ranked Inventors

John C. Colborn25
Yair A. Neumann25
Eli DAVID25
Olaf Thomas Johan Antonie Vermeulen25
Azadeh Afshar Bakooshli25
Sandeep Bajaj25
Alexander J. Fioravanti25
Joon Hwan Lee25
Akio Murayama25