KA

Kei Asao

ON Onkyo: 5 patents #24 of 170Top 15%
Shimano: 2 patents #376 of 759Top 50%
Overall (All Time): #688,447 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
12420881 Photovoltaic device of human-powered vehicle Kenji Nakano, Nanami Matsushita, Susumu Endo 2025-09-23
12084142 Hub for human-powered vehicle Hayato Shimazu, Takashi Komemushi, Kiichiro Nagata 2024-09-10
9906146 Thermal protection circuit for switching power supply 2018-02-27
9762197 Music reproducing device with active control ground mode Tsuyoshi Kawaguchi, Makoto Yoshida, Takanori Shiozaki, Yoshinori Nakanishi, Hiroyuki Asahara +1 more 2017-09-12
9712919 Music reproducing device with first and second D/A converters for converting audio signals prior to inversion Tsuyoshi Kawaguchi, Makoto Yoshida, Takanori Shiozaki, Yoshinori Nakanishi, Hiroyuki Asahara +1 more 2017-07-18
8570102 Switching amplifier Yoshinori Nakanishi 2013-10-29
8289076 Amplifying circuit Yoshinori Nakanishi 2012-10-16