KI

Kenichi Ishizuka

MC Murata Manufacturing Co.: 61 patents #40 of 5,295Top 1%
FU Fujifilm: 13 patents #684 of 4,519Top 20%
NC Niles Parts Co.: 2 patents #39 of 137Top 30%
Ricoh Company: 1 patents #6,936 of 9,818Top 75%
RS Ricoh Industrial Solutions: 1 patents #1 of 7Top 15%
SO Sony: 1 patents #17,262 of 25,231Top 70%
Overall (All Time): #23,514 of 4,157,543Top 1%
78
Patents All Time

Issued Patents All Time

Showing 1–25 of 78 patents

Patent #TitleCo-InventorsDate
12389530 Filter module, filter element, and electronic device Kentaro Mikawa 2025-08-12
12348209 Filter, filter module, and electronic device Kentaro Mikawa, Satoshi Shigematsu 2025-07-01
12288119 Coil component Satoshi Shigematsu 2025-04-29
12218438 Antenna device and electronic equipment Kentaro Mikawa, Takafumi Nasu 2025-02-04
12154714 Multi-terminal chip inductor Satoshi Shigematsu 2024-11-26
12106880 Circuit element Satoshi Shigematsu 2024-10-01
11901611 Antenna device and electronic apparatus Takafumi Nasu 2024-02-13
11838043 Filter circuit module, filter circuit element, filter circuit, and communication apparatus Satoshi Shigematsu 2023-12-05
11831292 LC composite component and communication terminal device Hideaki Kobayashi 2023-11-28
11811381 Filter element Satoshi Shigematsu 2023-11-07
11777466 Matching circuit, matching circuit element, and communication device Hisashi Akiyama 2023-10-03
11646495 Antenna coupling element, antenna device, and electronic device 2023-05-09
11387542 Antenna apparatus Hideaki Kobayashi 2022-07-12
11289258 Inductance element, high-frequency transformer element, impedance conversion element, and antenna device Akira Ochiai 2022-03-29
11271314 Antenna coupling element, antenna device, and electronic device 2022-03-08
11228295 Filter circuit, filter circuit element, and multi/demultiplexer 2022-01-18
11128046 Antenna device and electronic equipment Kentaro Mikawa, Takafumi Nasu 2021-09-21
10950381 Surface-mounted LC device Hirokazu Yazaki 2021-03-16
10903571 Magnetic field coupling element, antenna device, and electronic equipment Kentaro Mikawa, Takafumi Nasu 2021-01-26
10903812 Trap filter and filter circuit Hideaki Kobayashi 2021-01-26
10886601 Electronic device Takeaki Tamayama 2021-01-05
10840873 Coil device 2020-11-17
10734970 Phase shifter module, multiplexer/demultiplexer, and communication apparatus 2020-08-04
10628696 Imaging device, object detector and mobile device control system Izumi Itoh, Akihiro Kawamura, Ken Shirasaki, Kenya Fujiwara, Hiroyuki Satoh +1 more 2020-04-21
10530322 Resonant circuit, band elimination filter, and band pass filter Hiroshi Nishida 2020-01-07