Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
HK

Hiroki Kikuchi — 69 Patents

Rohm Co.: 38 patents #34 of 2,292Top 2%
Sony: 25 patents #1,521 of 25,231Top 7%
NINitta: 5 patents #20 of 237Top 9%
MCMurata Manufacturing Co.: 1 patents #3,462 of 5,295Top 70%
NINikon: 1 patents #1,647 of 2,493Top 70%
SGSiemens Audiologische Technik Gmbh: 1 patents #99 of 180Top 60%
Kyoto, JP: #116 of 11,909 inventorsTop 1%
Overall (All Time): #29,979 of 4,157,543Top 1%
69 Patents All Time
Hiroki Kikuchi has been granted 69 US patents while listed as an inventor at Rohm Co.. The first was granted in 1996 and the most recent in December 2024. Hiroki Kikuchi ranks #29,979 of 4,157,543 US inventors in our database (top 0.72%). Patent records list Hiroki Kikuchi in Kyoto, JP.

Issued Patents All Time

Showing 1–25 of 69 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12179339 Tool replacing device Ryosuke Matsumoto 2024-12-31
11962246 Power supply control device and flyback converter 2024-04-16 $521,000
11342857 Synchronous rectification controller and isolated synchronous rectification type dc/dc converter 2022-05-24 $715,000
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