KK

Kazuhisa Kito

SO Sony: 6 patents #6,793 of 25,231Top 30%
Overall (All Time): #834,135 of 4,157,543Top 25%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
10212504 Earphone device Kenji Ide, Naotaka Tsunoda 2019-02-19
9451350 Earphone device Kenji Ide, Naotaka Tsunoda 2016-09-20
9025799 Sound reproducing device Noriyuki Ozawa, Kohei Asada, Naotaka Tsunoda 2015-05-05
7065219 Acoustic apparatus and headphone Kensaku Abe, Hirofumi Nishimoto, Keiko Yabuki 2006-06-20
6211748 FM modulator Kensaku Abe, Yoshihiro Sugimoto, Nobuo Kobayashi 2001-04-03
5781638 Electro-acoustic transducer Akihiko Hosaka, Kensaku Abe 1998-07-14