HF

Hiroki Fujiwara

NT Ntn: 15 patents #105 of 1,364Top 8%
Nissan Motor Co.: 4 patents #1,803 of 8,689Top 25%
NI Nidec: 3 patents #315 of 976Top 35%
DA Daishinku: 2 patents #27 of 68Top 40%
Sumitomo Electric Industries: 1 patents #13,249 of 21,551Top 65%
MC Murata Manufacturing Co.: 1 patents #3,462 of 5,295Top 70%
NC Nippon Carbide Industries Co.: 1 patents #18 of 56Top 35%
AS Automotive Energy Supply: 1 patents #42 of 87Top 50%
Overall (All Time): #142,997 of 4,157,543Top 4%
27
Patents All Time

Issued Patents All Time

Showing 1–25 of 27 patents

Patent #TitleCo-InventorsDate
12395195 Radio-frequency module and communication device Takanori UEJIMA, Dai NAKAGAWA, Yukiya YAMAGUCHI, Yuji TAKEMATSU, Motoji TSUDA +3 more 2025-08-19
12028042 Piezoelectric resonator device having a through hole and through electrode for conduction with an external electrode terminal Satoru Ishino, Hiroki Yoshioka 2024-07-02
11824512 Piezoelectric resonator device 2023-11-21
11063542 Motor drive apparatus and electric power steering apparatus Tsuyoshi Kadowaki 2021-07-13
10833614 Motor drive device and electric power steering device Yoshihisa Kanno 2020-11-10
10487870 Foil bearing Masato Yoshino, Mitsuo Kawamura 2019-11-26
10436509 Electrode roll drying method, and electrode roll drying device Masahiko Sugiyama, Seigo Komatsu, Takeshi Iwata, Keisuke Uekusa 2019-10-08
10428865 Foil bearing, production method therefor, and intermediate product of foil bearing Masato Yoshino 2019-10-01
10352356 Foil bearing Masato Yoshino 2019-07-16
10309451 Thrust foil bearing Masato Yoshino 2019-06-04
10177416 Drying method and drying apparatus 2019-01-08
10012109 Foil bearing, and foil bearing unit and turbo machine each having same Masato Yoshino 2018-07-03
9991769 Motor Eiji Furutachi 2018-06-05
9964143 Foil bearing and method for manufacturing thereof Masato Yoshino 2018-05-08
9822816 Foil bearing Jun MIDOUMAE, Masato Yoshino 2017-11-21
9784307 Foil bearing Masato Yoshino 2017-10-10
9689422 Foil bearing unit Masato Yoshino, Mitsuo Kawamura 2017-06-27
9631556 Foil bearing Masato Yoshino 2017-04-25
9634348 Battery pressing device and battery pressing method Takeshi Yasooka 2017-04-25
9376959 Foil bearing Masato Yoshino 2016-06-28
9194422 Foil bearing Masato Yoshino 2015-11-24
8950083 Drying device and drying method 2015-02-10
8858088 Tapered roller bearing and method of designing the same 2014-10-14
8785582 Vinylozy group-containing vinyl polymer Takuma Hojo, Kyoko Yamamoto, Kazuhiko Atsumi, Take-aki Mitsudo 2014-07-22
8545105 Rolling bearing and crown-shaped retainer Mitsuo Kawamura 2013-10-01