HK

Hideki Kawahara

PA Panasonic: 6 patents #4,438 of 21,108Top 25%
DE Denso: 5 patents #2,617 of 11,792Top 25%
WU Wakayama University: 1 patents #3 of 13Top 25%
📍 Shimabara, JP: #102 of 395 inventorsTop 30%
Overall (All Time): #284,614 of 4,157,543Top 7%
16
Patents All Time

Issued Patents All Time

Showing 1–16 of 16 patents

Patent #TitleCo-InventorsDate
12394936 Cable connection device and power feed control device Ryota Tomiyama, Hideki Oka, Kouji Kakiuchi, Mizuki Yagura, Shinichi Nakamura 2025-08-19
12288767 Semiconductor device 2025-04-29
10535577 Semiconductor device Hiroshi Ishino, Shinji Hiramitsu, Shunsuke Arai 2020-01-14
10367346 Electric leakage protection device and feed control device Naoki Fukuo, Koji Yamato 2019-07-30
D795802 Charging circuit control device Noboru Inagaki, Shinichi Nakamura, Masahiko Kimura 2017-08-29
9373570 Semiconductor module and driving device for switching element Takanori Imazawa 2016-06-21
9213217 Imaging apparatus for taking a picture of a driver of a motor vehicle through a front glass of the motor vehicle Yasuhiro Mori, Mutsuhiro Yamanaka, Toshiharu Takenouchi, Eiji Nakamoto, Osamu Uesugi 2015-12-15
8781819 Periodic signal processing method, periodic signal conversion method, periodic signal processing device, and periodic signal analysis method Masanori Morise, Toru Takahashi, Toshio Irino 2014-07-15
8212261 SiC semiconductor device with BPSG insulation film Hiroyuki Ichikawa, Hiroki Nakamura 2012-07-03
7851382 Method for manufacturing SiC semiconductor device Hiroki Nakamura 2010-12-14
7645975 Spatial information detecting device Motoo Ikari, Kenichi Hagio, Eiji Nakamoto 2010-01-12
7085721 Method and apparatus for fundamental frequency extraction or detection in speech Toshio Irino 2006-08-01
6369688 Automatic gang switch having a heat ray sensor Tatsuya Abe, Masaharu Fukushima, Shiro Mori, Takahiro Yamanouchi, Hirotoshi Watanabe +1 more 2002-04-09
6115684 Method of transforming periodic signal using smoothed spectrogram, method of transforming sound using phasing component and method of analyzing signal using optimum interpolation function Ikuyo Masuda 2000-09-05
6014617 Method and apparatus for extracting a fundamental frequency based on a logarithmic stability index 2000-01-11
5459815 Speech recognition method using time-frequency masking mechanism Kiyoaki Aikawa, Yoh'Ichi Tohkura 1995-10-17