KG

Katsuhiko Gunji

OC Oki Electric Industry Co.: 11 patents #110 of 2,807Top 4%
Tdk: 5 patents #1,099 of 3,796Top 30%
EC Electric Industry Co.: 1 patents #1 of 15Top 7%
Overall (All Time): #279,465 of 4,157,543Top 7%
17
Patents All Time

Issued Patents All Time

Showing 1–17 of 17 patents

Patent #TitleCo-InventorsDate
7132310 Packaging substrate and manufacturing method thereof, integrated circuit device and manufacturing method thereof, and SAW device Masahiro Nakano, Yasunobu Oikawa, Katsuo Sato 2006-11-07
7078984 Duplexer and method of manufacturing same Eiju Komuro 2006-07-18
7015556 Packaging substrate and manufacturing method thereof, integrated circuit device and manufacturing method thereof, and saw device Masahiro Nakano, Yasunobu Oikawa, Katsuo Sato 2006-03-21
6977563 Thin-film piezoelectric resonator and method for fabricating the same Eiju Komuro, Masaaki Imura, Taku Takeishi, Roger W. Whatmore, Joseph Edward Albert Southin 2005-12-20
6778038 Piezoelectric resonant filter, duplexer, and method of manufacturing same Taku Takeishi, Eiju Komuro 2004-08-17
5715527 Mobile communication device having an output power sensor succeeding a transmission filter Hiroyuki Horii, Masao Iwata, Tsuyoshi Miyazawa, Koichiro Shimizu, Toshikazu Yasuoka +2 more 1998-02-03
5525954 Stripline resonator Tomokazu Komazaki, Toshikazu Yasuoka, Kohichiro Shimizu, Hiroyuki Horii, Yoshio Okada +2 more 1996-06-11
5525942 LC-type dielectric filter and duplexer Hiroyuki Horii, Kohichiro Shimizu, Toshikazu Yasuoka, Masao Iwata, Tomokazu Komazaki 1996-06-11
5486799 Strip line filter and duplexer filter using the same Tomokazu Komazaki, Kazushige Noguchi, Kunihiro Tanoie 1996-01-23
5323127 Branching filter having specific impedance and admittance characteristics Tomokazu Komazaki, Norio Onishi, Akira Mashimo, Kouichi Ichikawa 1994-06-21
5227747 Dielectric filter having coupling amount adjusting patterns Tomokazu Komazaki, Norio Onishi, Osamu Yamato, Akira Mashimo, Kouichi Ichikawa 1993-07-13
5150089 Dielectric filter having an attenuation pole tunable to a predetermined frequency Tomokazu Komazaki, Norio Onishi, Akira Mashimo 1992-09-22
5124675 LC-type dielectric filter Tomokazu Komazaki, Norio Onishi, Ichiro Iwase, Akira Mashimo 1992-06-23
5097237 Microstrip line type resonator Tomokazu Komazaki, Norio Onishi, Ichiro Iwase, Akira Mashimo 1992-03-17
5015973 Duplexer with an isolating circuit on a dielectric plate Izumi Kawakami, Tomokazu Komazaki, Norio Onishi, Yoshimitsu Sakurai, Hiroyuki Horii +1 more 1991-05-14
5015974 Isolating circuit and dielectric filter for use therein Tomokazu Komazaki, Norio Onishi, Akira Mashimo 1991-05-14
4891615 Dielectric filter with attenuation pole Tomokazu Komazaki, Norio Onishi, Yoshimitu Sakurai, Hiroyuki Horii, Akira Mashimo 1990-01-02