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

Hiroaki Kikuchi — 93 Patents

Nec: 17 patents #646 of 14,502Top 5%
IBM: 17 patents #6,529 of 70,183Top 10%
Sony: 16 patents #2,638 of 25,231Top 15%
MCMitsumi Electric Co.: 7 patents #122 of 935Top 15%
FUFujifilm: 7 patents #1,205 of 4,519Top 30%
Fujitsu Limited: 7 patents #4,529 of 24,456Top 20%
Mitsubishi Electric: 4 patents #7,099 of 25,717Top 30%
MMMitsubishi Materials: 4 patents #258 of 1,543Top 20%
TCToyo Seikan Co.: 3 patents #234 of 888Top 30%
TGTyco Electronics Japan G.K.: 3 patents #51 of 248Top 25%
NCNippon Closures Co.: 2 patents #14 of 56Top 25%
JAJamco: 2 patents #34 of 91Top 40%
ODOki Data: 1 patents #442 of 635Top 70%
RSRenesas Northern Japan Semiconductor: 1 patents #21 of 53Top 40%
RTRenesas Technology: 1 patents #1,991 of 3,337Top 60%
Honda Motor Co.: 1 patents #12,035 of 21,052Top 60%
HCHitachi Ulsi Systems Co.: 1 patents #577 of 867Top 70%
HCHitachi Chemical Company: 1 patents #1,071 of 1,946Top 60%
JCJapan Crown Cork Co.: 1 patents #36 of 72Top 50%
JTJtekt: 1 patents #1,102 of 1,969Top 60%
KMKonica Minolta: 1 patents #1,862 of 2,718Top 70%
ARArkray: 1 patents #203 of 354Top 60%
NTNTT: 1 patents #2,911 of 4,871Top 60%
Kawasaki, JP: #64 of 15,035 inventorsTop 1%
Overall (All Time): #16,773 of 4,157,543Top 1%
93 Patents All Time
Hiroaki Kikuchi has been granted 93 US patents while listed as an inventor at Nec. The first was granted in 1988 and the most recent in September 2025. Hiroaki Kikuchi ranks #16,773 of 4,157,543 US inventors in our database (top 0.40%). Patent records list Hiroaki Kikuchi in Kawasaki, JP.

Issued Patents All Time

Showing 1–25 of 93 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12431624 Antenna equipment Yu-Ching Lin, Sin-Hooi Cheah, Kuei Hsu Hsiang 2025-09-30
12407922 Imaging assistance apparatus, imaging system, imaging assistance method, and imaging assistance program 2025-09-02
12394088 Estimation apparatus, imaging apparatus, moving object, estimation system, estimation method, and program 2025-08-19
12193875 Ultrasound diagnostic apparatus and storage medium Kaoru Okada, Yuichi Nishikubo 2025-01-14
12003865 Signal processing device, signal processing method, camera system, video system, and server Koji Kamiya, Jun Onuki, Tomoyuki Endo, Masaki Hirose 2024-06-04 $741,000
11915411 Structure management device, structure management method, and structure management program 2024-02-27
11681714 Multi-channel search Tohru Hasegawa, Takuya Goto, Xiangning Liu, Asako Ono 2023-06-20 $4,843,000
11553138 Signal processing device, signal processing method, camera system, video system, and server Koji Kamiya, Jun Onuki, Tomoyuki Endo, Masaki Hirose 2023-01-10 $602,000
11429676 Document flagging based on multi-generational complemental secondary data Yuichi Suzuki, Takashi Fukuda 2022-08-30 $8,668,000
11409775 Recommending documents sets based on a similar set of correlated features Fumihiko Terui 2022-08-09 $6,406,000
11403741 Video signal processing apparatus, video signal processing method, and program Jun Onuki, Masaki Hirose 2022-08-02 $482,000
11381009 Contact and connector Tatsuo Yasui, Masaaki Iwasaki, Chihiro Hikage 2022-07-05 $22,853,000
11334269 Content driven storage and retrieval of files Tohru Hasegawa, Takuya Goto, Asako Ono, Xiangning Liu 2022-05-17 $6,899,000
11223778 Signal processing device, signal processing method, camera system, video system, and server Koji Kamiya, Jun Onuki, Tomoyuki Endo, Masaki Hirose 2022-01-11 $1,216,000
11189009 Image processing apparatus and image processing method 2021-11-30
10977300 Index generating method, measuring method, and index generating apparatus Masashi KURANOSHITA 2021-04-13
10963490 Text extraction and processing Tohru Hasegawa, Hiroaki Uetsuki, Shunsuke Ishikawa, Issei Yoshida, Asako Ono +2 more 2021-03-30 $6,181,000
10956470 Facet-based query refinement based on multiple query interpretations Yutaka Moriya 2021-03-23 $2,115,000
10838994 Document ranking by progressively increasing faceted query Takashi Fukuda 2020-11-17 $2,639,000
10748269 Structure member specification device and structure member specification method 2020-08-18
10657145 Clustering facets on a two-dimensional facet cube for text mining Takashi Fukuda, Shimpei Yotsukura 2020-05-19 $2,035,000
10592542 Document ranking by contextual vectors from natural language query Takashi Fukuda 2020-03-17 $1,423,000
10585928 Large scale facet counting on sliced counting lists Takashi Fukuda, Masaki Komedani, Shimpei Yotsukura 2020-03-10 $1,254,000
10585929 Large scale facet counting on sliced counting lists Takashi Fukuda, Masaki Komedani, Shimpei Yotsukura 2020-03-10 $1,254,000
10474704 Recommending documents sets based on a similar set of correlated features Fumihiko Terui 2019-11-12 $6,929,000