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 51–75 of 78 patents

Patent #TitleCo-InventorsDate
9452384 Acidic gas separation laminate and acidic gas separation module provided with laminate Takeshi Narita, Ryo OUCHI, Makoto Sawada 2016-09-27
9323040 Eyepiece lens system and image observation device 2016-04-26
9298873 Method of designing impedance transformation circuit Toshiyuki Nakaiso, Hiroshi Nishida 2016-03-29
9287629 Impedance conversion device, antenna device and communication terminal device Noboru Kato, Noriyuki Ueki 2016-03-15
9272248 Gas separation composite membrane, and gas separating module, gas separation apparatus and gas separation method using the same Satoshi Sano, Ichirou Nagata, Tomonori Ishino, Kentaro Shiratsuchi, Shigehide Itou +1 more 2016-03-01
9264011 Impedance-matching switching circuit, antenna device, high-frequency power amplifying device, and communication terminal apparatus Noriyuki Ueki, Noboru Kato, Koji Shiroki 2016-02-16
9248413 Gas separation composite membrane and method of producing the same, and gas separating module, gas separation apparatus and gas separation method using the same Satoshi Sano, Ichirou Nagata, Tomonori Ishino, Kentaro Shiratsuchi, Shigehide Itou +1 more 2016-02-02
9238204 Gas separation composite membrane and gas separating module, gas separation apparatus and gas separation method using the same Satoshi Sano, Tomonori Ishino, Ichirou Nagata, Kentaro Shiratsuchi, Shigehide Itou +1 more 2016-01-19
9197187 Front-end circuit and communication terminal apparatus Noboru Kato, Noriyuki Ueki 2015-11-24
9153865 Antenna device and communication terminal apparatus Hiroshi Nishida 2015-10-06
9099770 Communication terminal device and manufacturing method thereof Noboru Kato, Koji Shiroki 2015-08-04
9065422 Frequency stabilization circuit, antenna device, and communication terminal apparatus Noboru Kato 2015-06-23
9030371 Antenna device and communication terminal apparatus Noboru Kato 2015-05-12
8925737 Crystalline polymer microporous membrane and filtration filter Nobuhiro Nishita 2015-01-06
8912972 Coupling degree adjustment circuit, antenna device, and wireless communication device Noriyuki Ueki, Noboru Kato, Hiroshi Nishida 2014-12-16
8754738 Transformer having high degree of coupling, electronic circuit, and electronic device Noboru Kato 2014-06-17
8739976 Crystalline polymer microporous membrane, method for producing the same, and filteration filter Nobuhiro Nishita 2014-06-03
8723753 Antenna device and communication terminal apparatus Noboru Kato, Satoshi Ishino, Noriyuki Ueki 2014-05-13
8643557 Antenna apparatus and radio communication apparatus Shinichi Nakano, Kazunari Kawahata, Nobuhito Tsubaki, Shigeyuki Fujieda 2014-02-04
8573408 Crystalline polymer microporous membrane, method for producing the same, and filtration filter Nobuhiro Nishita 2013-11-05
8508420 Antenna device and wireless communication apparatus Shigeyuki Fujieda, Kazunari Kawahata 2013-08-13
8309181 Method of manufacturing polymer film Taisei Nishimi 2012-11-13
8279121 Antenna device and wireless communication apparatus Kazunari Kawahata, Nobuhito Tsubaki, Shigeyuki Fujieda, Shinichi Nakano 2012-10-02
8199057 Antenna device and wireless communication apparatus Kazunari Kawahata, Nobuhito Tsubaki 2012-06-12
7466277 Antenna device and wireless communication apparatus Kazunari Kawahata 2008-12-16