JY

Junichiro Yamakawa

NC Nihon Dempa Kogyo Co.: 7 patents #50 of 296Top 20%
HE Hitachi Kokusai Electric: 3 patents #258 of 843Top 35%
TO Tokuyama: 1 patents #280 of 562Top 50%
TD Tokuyama Dental: 1 patents #34 of 68Top 50%
Overall (All Time): #419,308 of 4,157,543Top 15%
12
Patents All Time

Issued Patents All Time

Showing 1–12 of 12 patents

Patent #TitleCo-InventorsDate
9320684 Dental restorative material Nobuyuki Isizaka, Tatsuya Yamazaki 2016-04-26
8547183 Voltage controlled oscillator Kazuo Akaike, Mikio Takano, Hiroshi Hoshigami, Kenji Kawahata, Kietsu Saito +4 more 2013-10-01
8416028 Voltage controlled oscillator and electronic component Kazuo Akaike, Tatsunori Onzuka, Toshimasa Tsuda, Mikio Takano, Yasushi Yamamoto +1 more 2013-04-09
8283989 Voltage controlled oscillator Tatsunori Onzuka, Toshimasa Tsuda, Kenji Kawahata, Hiroshi Hoshigami 2012-10-09
8277731 Sensing device Tomoya Yorita, Shigenori Watanabe, Mitsuaki Koyama 2012-10-02
8176773 Piezoelectric sensor and sensing instrument Kazuo Akaike, Takeru Mutoh, Hiroyuki Kukita 2012-05-15
8111110 Low-noise voltage controlled oscillator Kazuo Akaike, Takashi Nakaoka, Mikio Takano, Yuichiro Arai 2012-02-07
7924106 Oscillation module Naoto Inouchi, Kazuo Akaike, Masazumi Kubota 2011-04-12
7375588 Transmission amplifier Junya Dosaka 2008-05-20
6933327 Dental curable composition Hideki Kazama 2005-08-23
6819174 Amplification device Yoshinari Nanao 2004-11-16
6417731 Distortion-compensated amplifier device Kiyoshi Funada, Junya Dosaka, Yasuo Sera 2002-07-09