HK

Hisahiro Kamata

Ricoh Company: 10 patents #2,244 of 9,818Top 25%
TC Tohoku Ricoh Co.: 2 patents #69 of 204Top 35%
UN Unknown: 1 patents #29,356 of 83,584Top 40%
Overall (All Time): #417,068 of 4,157,543Top 15%
12
Patents All Time

Issued Patents All Time

Showing 1–12 of 12 patents

Patent #TitleCo-InventorsDate
10044293 High-voltage inverter 2018-08-07
9819280 Inverter device Yoshiyuki Shishido, Masakazu Fujita 2017-11-14
9799441 Transformer and plasma generator 2017-10-24
9504136 Inverter device, plasma generating device, sheet-member reforming device, and alternating-current voltage output method Atsushi Nunokawa 2016-11-22
9467071 Voltage resonant inverter, control method, and surface treatment device 2016-10-11
9287762 High-voltage inverter, dielectric-barrier discharge evice and cation apparatus Eiki Hirama, Masahiro Noguchi 2016-03-15
9232625 Inverter device, plasma generator apparatus and control method 2016-01-05
9160225 High voltage inverter device 2015-10-13
9030856 High voltage inverter device and electrical leakage detector thereof 2015-05-12
8971081 High voltage inverter device for delivering a high-power AC high voltage 2015-03-03
5757628 Stabilized high frequency switching power supply with suppressed EMI noise 1998-05-26
5559486 Bobbin for high frequency core Tsuneo Ikenoue 1996-09-24