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

Kaoru Kijima — 45 Patents

Tdk: 27 patents #163 of 3,796Top 5%
Sony: 26 patents #1,442 of 25,231Top 6%
Tokyo, JP: #2,335 of 90,295 inventorsTop 3%
Overall (All Time): #64,393 of 4,157,543Top 2%
45 Patents All Time
Kaoru Kijima has been granted 45 US patents while listed as an inventor at Tdk. The first was granted in 2006 and the most recent in August 2025. Kaoru Kijima ranks #64,393 of 4,157,543 US inventors in our database (top 1.5%). Patent records list Kaoru Kijima in Tokyo, JP.

Patents per Year

Patents granted per year, 2006 to 2025Bar chart with a peak of 6 patents in 2009.peak 62006: 1 patents20062008: 5 patents2009: 6 patents20092010: 3 patents2012: 2 patents20122015: 2 patents2017: 1 patents20172019: 6 patents2020: 3 patents20202021: 2 patents2022: 2 patents20222023: 5 patents2024: 4 patents20242025: 3 patents2025

Issued Patents All Time

Showing 1–25 of 45 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12395797 Vibration device Akira Satoh 2025-08-19
12245514 Vibration device and electronic apparatus Kazuki Saito 2025-03-04
12225826 Vibration device Akira Satoh 2025-02-11
12141358 Vibration device including piezoelectric element that vibrates in response to user operation Kazuki Saito 2024-11-12
D1049063 Vibration element for an actuator Kazuki Saito 2024-10-29
12120483 Audio device Yoshiki Ohta, Takuto Horii, Yoshikazu SHIMURA, Atsushi Ezawa, Miho Bamba +1 more 2024-10-15
11968496 Acoustic device and sound generation device Akira Satoh 2024-04-23
11765979 Vibration device Kazuki Saito 2023-09-19
11648586 Vibration device Kazuki Saito 2023-05-16
11607707 Method for vibrating a vibration device Kazuki Saito 2023-03-21
11581825 Acoustic device with a piezoelectric element Akira Satoh, Yoshikazu SHIMURA 2023-02-14
11581479 Piezoelectric element Yoshikazu SHIMURA, Hideya Sakamoto, Kazushi Tachimoto, Ryuhei Sasaki, Yoshiki Ohta +1 more 2023-02-14
D958763 Piezoelectric element Akira Satoh 2022-07-26
D947144 Vibration element for a haptic actuator Kazuki Saito 2022-03-29
D937229 Piezoelectric element Akira Satoh 2021-11-30
10897005 Vibrating device Tatsuya Taki, Shunsuke Ueno, Atsushi Ezawa, Haruna Sumi, Tomohiro Takeda 2021-01-19
10854806 Vibrating device Tatsuya Taki, Kazushi Tachimoto 2020-12-01
10825980 Vibrating device Tatsuya Taki, Kazushi Tachimoto, Toshiki Maruyama 2020-11-03
10707832 Vibrating device Kazushi Tachimoto, Tatsuya Taki 2020-07-07
10511389 Piezoelectric module Akira Satoh 2019-12-17
10311853 Piezoelectric sounding body Akira Satoh 2019-06-04
D848959 Vibration element for a haptic actuator Tatsuya Taki 2019-05-21
D847768 Vibration element for a haptic actuator Tatsuya Taki 2019-05-07
10277967 Piezoelectric sounding body Akira Satoh 2019-04-30
D838302 Vibration element for a haptic actuator Tatsuya Taki 2019-01-15