HK

Hirofumi Konishi

Mitsubishi Electric: 6 patents #4,940 of 25,717Top 20%
SC Save The Planet Co.: 3 patents #1 of 8Top 15%
Sumitomo Electric Industries: 3 patents #7,735 of 21,551Top 40%
HA Hakko: 2 patents #26 of 70Top 40%
SI Sumitomo Rubber Industries: 2 patents #809 of 1,637Top 50%
TC Tabuchi Electric Co.: 2 patents #4 of 37Top 15%
Overall (All Time): #41,171 of 4,157,543Top 1%
58
Patents All Time

Issued Patents All Time

Showing 51–58 of 58 patents

Patent #TitleCo-InventorsDate
6693393 Ballast for a discharge lamp Toshiaki Nakamura, Takashi Kambara, Miki Kotani, Toshifumi Tanaka 2004-02-17
6288501 Ballast for a discharge lamp Toshiaki Nakamura, Tsutomu Shiomi 2001-09-11
6281642 Ballast for a discharge lamp with false deactivation detection Toshiaki Nakamura, Kazunori Kidera 2001-08-28
6208088 Method and ballast for starting a discharge lamp Toshiaki Nakamura, Kazunori Kidera 2001-03-27
5644481 Controlled DC voltage stabilizer Masanori Yamanaka 1997-07-01
5381294 Device for protecting power supply circuit 1995-01-10
5355523 Wireless transmission/reception system including transmitting terminal producing multiple frequency local oscillation signals and receiving terminal storing a local oscillation signal Haruo Ogawa, Haruhiro Kuboyama, Toshiaki Inage, Shinji Morino, Yoshiaki Ueno +2 more 1994-10-11
5341179 Source voltage control switching circuit 1994-08-23