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 26–50 of 78 patents

Patent #TitleCo-InventorsDate
10348265 Transformer-type phase shifter, phase-shift circuit, and communication terminal apparatus Hiroshi Nishida 2019-07-09
10348266 Impedance conversion circuit, antenna apparatus, and wireless communication apparatus Yuichiro Teshima 2019-07-09
10340877 Antenna matching circuit, antenna device, and communication terminal apparatus 2019-07-02
10327317 Mobile wireless terminal Tsuyoshi Tokunaga 2019-06-18
10305184 Antenna matching circuit, antenna matching module, antenna device and wireless communication device 2019-05-28
10277192 Phase shifter, impedance matching circuit, and communication terminal apparatus 2019-04-30
10263324 Impedance conversion element and communication device Hisashi Akiyama 2019-04-16
10181644 Antenna circuit and communication device Hiroshi Nishida 2019-01-15
10079587 Phase shifter, impedance matching circuit, multi/demultiplexer, and communication terminal apparatus Hiroshi Nishida 2018-09-18
10049807 Laminated coil component and matching circuit 2018-08-14
10038420 Transformer and wireless communication apparatus 2018-07-31
10005024 Acidic-gas separation module Ryo OUCHI, Makoto Sawada, Daisuke HIRAKI, Takeshi Narita 2018-06-26
9975092 Gas separation membrane and gas separation membrane module Kenji Kano, Satoshi Sano 2018-05-22
9893708 Impedance conversion ratio setting method, impedance conversion circuit, and communication terminal apparatus 2018-02-13
9893421 Impedance converter circuit and communication terminal device 2018-02-13
9837976 Impedance converting circuit and communication terminal apparatus Noboru Kato, Noriyuki Ueki 2017-12-05
9812245 Laminated coil component and matching circuit 2017-11-07
9724647 Acidic gas separation module, acidic gas separation device, and telescope prevention plate Yoichi Hosoya 2017-08-08
9711848 Antenna device and communication terminal apparatus Noboru Kato 2017-07-18
9698747 Impedance conversion circuit and antenna device 2017-07-04
9698831 Transformer and communication terminal device 2017-07-04
9660341 Signal line module and communication terminal apparatus Noboru Kato 2017-05-23
9515632 Impedance transformation circuit and wireless communication apparatus 2016-12-06
9498755 Gas separation membrane, method of producing the same, and gas separating membrane module using the same Shigehide Itou 2016-11-22
9457319 Acidic gas separation laminate and acidic gas separation module provided with laminate Takeshi Narita 2016-10-04