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

Yoshikazu Fujimori — 51 Patents

Rohm Co.: 46 patents #15 of 2,292Top 1%
SESeiko Epson: 3 patents #3,864 of 7,774Top 50%
KCKissei Pharmaceutical Co.: 1 patents #115 of 202Top 60%
Koto, JP: #3 of 153 inventorsTop 2%
Overall (All Time): #51,932 of 4,157,543Top 2%
51 Patents All Time
Yoshikazu Fujimori has been granted 51 US patents while listed as an inventor at Rohm Co.. The first was granted in 2000 and the most recent in December 2025. Yoshikazu Fujimori ranks #51,932 of 4,157,543 US inventors in our database (top 1.2%). Patent records list Yoshikazu Fujimori in Koto, JP.

Patents per Year

Patents granted per year, 2000 to 2025Bar chart with a peak of 6 patents in 2004.peak 62000: 3 patents20002002: 3 patents2004: 6 patents20042005: 2 patents2006: 4 patents20062007: 4 patents2008: 5 patents20082009: 2 patents2010: 1 patents20102011: 2 patents2012: 5 patents20122014: 2 patents2015: 6 patents20152017: 1 patents2018: 1 patents20182019: 1 patents2024: 1 patents20242025: 2 patents2025

Issued Patents All Time

Showing 1–25 of 51 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12501221 Transducer Takato Suzuki, Noriyuki Shimoji 2025-12-16
12403692 Inkjet print head 2025-09-02
11964483 Piezoelectric film utilization device Eitaro KUROKAWA, Noriyuki Shimoji 2024-04-23 $747,000
10522734 Device using a piezoelectric element and method for manufacturing the same Tomohiro Date 2019-12-31
10032977 Device using a piezoelectric element and method for manufacturing the same Tomohiro Date 2018-07-24
9714866 Substrate having a hole, method for manufacturing the substrate, infrared sensor, and method for manufacturing the infrared sensor Tatsuya Suzuki 2017-07-25
9195933 Electronic circuit and electronic device including the same Takaaki Fuchikami, Noriyuki Ema, Hiromitsu Kimura 2015-11-24
9171850 Ferroelectric capacitor Hiroaki Ito, Tomohiro Date 2015-10-27
9100014 Nonvolatile storage gate, operation method for the same, and nonvolatile storage gate embedded logic circuit, and operation method for the same Hiromitsu Kimura, Takaaki Fuchikami 2015-08-04
9064593 Data holding device and logic operation circuit using the same Hiromitsu Kimura, Toshiyuki Kanaya, Daisuke Notsu 2015-06-23
8951976 Progression inhibitor for disease attributed to abnormal accumulation of liver fat Kenji Katsuno, Masayuki Isaji 2015-02-10
8947904 Data holding device and logic operation circuit using the same Hiromitsu Kimura, Toshiyuki Kanaya, Daisuke Notsu 2015-02-03
8837194 Data holding device and logic operation circuit using the same Hiromitsu Kimura, Toshiyuki Kanaya, Daisuke Notsu 2014-09-16
8779486 Ferroelectric capacitor Hiroaki Ito, Tomohiro Date 2014-07-15
8194432 Ferroelectric memory device for adjusting the capacitor of a bit line Hiromitsu Kimura, Takaaki Fuchikami 2012-06-05
8154786 Light control device, semiconductor wafer, and light control system Tsuyoshi Fujii 2012-04-10
8144384 Light controller Tatsuya Suzuki, Tsuyoshi Fujii, Satoru Tanaka 2012-03-27
8136399 Angular rate sensor with vibrator Masaki Takaoka, Daisuke KAMINISHI 2012-03-20
8125423 Voltage control circuit, voltage control method and light control apparatus utilizing the same Takaaki Fuchikami 2012-02-28
8014186 Ferroelectric memory device and operating method for the same Hiromitsu Kimura, Takaaki Fuchikami 2011-09-06
7894115 Light control apparatus having light modulating film Tsuyoshi Fujii 2011-02-22
7672034 Method for manufacturing optical modulator, optical modulator, and optical modulation system 2010-03-02
7564610 Light control device and light control system using same 2009-07-21
7531862 Semiconductor device having ferroelectric substance capacitor 2009-05-12
7464131 Logical calculation circuit, logical calculation device, and logical calculation method Michitaka Kameyama, Takahiro Hanyu, Hiromitsu Kimura, Takashi Nakamura, Hidemi Takasu 2008-12-09