HH

Hajime Harada

NK Nihon Kohden: 4 patents #96 of 467Top 25%
KA Kaneka: 1 patents #886 of 1,525Top 60%
NT Nec Tokin: 1 patents #143 of 299Top 50%
Overall (All Time): #871,213 of 4,157,543Top 25%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
D604273 Bone conduction earphone Mitsuo Tamura, Masako Takashima, Hiroshi Nashihara, Hiroki Umeda 2009-11-17
6503995 Method of producing crosslinkable silyl group-containing polyoxyalkylene polymers Ryotaro Tsuji, Yousuke Asai, Masayuki Fujita, Susumu Kyotani, Takeshi Kawamura +2 more 2003-01-07
5521851 Noise reduction method and apparatus Daming Wei, Eishi Harasawa 1996-05-28
5180931 Sampling method and circuit 1993-01-19
4530365 Physiological signal amplifier circuitry Takeshi Kojima 1985-07-23
4518941 Pulse transformer for switching power supplies 1985-05-21