HK

Hiroki Kikuchi

Rohm Co.: 38 patents #34 of 2,292Top 2%
SO Sony: 25 patents #1,512 of 25,231Top 6%
NI Nitta: 5 patents #20 of 237Top 9%
MC Murata Manufacturing Co.: 1 patents #3,462 of 5,295Top 70%
NI Nikon: 1 patents #1,647 of 2,493Top 70%
SG Siemens Audiologische Technik Gmbh: 1 patents #99 of 180Top 60%
Overall (All Time): #30,104 of 4,157,543Top 1%
69
Patents All Time

Issued Patents All Time

Showing 25 most recent of 69 patents

Patent #TitleCo-InventorsDate
12179339 Tool replacing device Ryosuke Matsumoto 2024-12-31
11962246 Power supply control device and flyback converter 2024-04-16
11342857 Synchronous rectification controller and isolated synchronous rectification type dc/dc converter 2022-05-24
11005356 Power supply control device and LLC resonant converter Hiroyuki Hatano 2021-05-11
10770982 Isolated synchronous rectifying DC/DC converter 2020-09-08
10566910 Isolated synchronous rectifying DC/DC converter 2020-02-18
10554038 Insulated synchronous rectification type DC/DC converter, and power adaptor and electronic device 2020-02-04
10483863 Isolated synchronous rectification-type DC/DC converter 2019-11-19
10389255 Insulated synchronous rectification DC/DC converter Ryo Shimizu 2019-08-20
10381940 Rectifier IC and isolated switching power supply using same 2019-08-13
10348212 Synchronous rectification controller including synchronous rectification transistor for insulated synchronous rectification DC/DC converter 2019-07-09
10333415 Insulated synchronous rectification DC/DC converter including synchronous rectification controller controlling synchronous rectification transistor 2019-06-25
10293493 Male member and tool changer Kenji Tsurimoto, Hideki Nishio, Ryosuke Matsumoto 2019-05-21
10277133 Isolated DC/DC converter, primary side controller, power adapter, and electronic device Takumi Oe, Hiroyuki Murakami 2019-04-30
10218283 Insulated synchronous rectification DC/DC converter Ryo Shimizu 2019-02-26
10193471 Insulated DC/DC converter, and power adaptor and electronic device using the same 2019-01-29
10079547 Insulating synchronous rectifying DC/DC converter, synchronous rectifying controller, power supply using the same, power adapter and electronic device, and control method of synchronous rectifying controller Ryo Shimizu 2018-09-18
10075081 Insulated synchronous rectification DC/DC converter Ryo Shimizu 2018-09-11
10075084 Isolated synchronous rectification-type DC/DC converter 2018-09-11
10033289 Insulated synchronous rectification DC/DC converter including capacitor and auxiliary power supply Ryo Shimizu 2018-07-24
D822727 Engaging member for tool changer Ryosuke Matsumoto 2018-07-10
9998015 Insulated synchronous rectification DC/DC converter including a protection circuit to judge occurrence of a switching-incapable state Junichi Hagino 2018-06-12
9991809 Insulation-type synchronous DC/DC converter Ryo Shimizu 2018-06-05
9985547 Insulation-type synchronous DC/DC converter 2018-05-29
9948196 Insulation-type synchronous DC/DC converter Ryo Shimizu 2018-04-17