Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
HH

Hiroki Hara — 43 Patents

Tdk: 17 patents #321 of 3,796Top 9%
Panasonic: 16 patents #1,398 of 21,108Top 7%
FLFujitsu Optical Components Limited: 3 patents #27 of 126Top 25%
Toyota: 3 patents #8,352 of 26,838Top 35%
AMAkashic Memories: 2 patents #2 of 23Top 9%
TCTaiho Kogyo Co.: 2 patents #102 of 332Top 35%
STStormedia: 1 patents #10 of 23Top 45%
KFKabushiki Kaisha F.C.C.: 1 patents #80 of 204Top 40%
Kubota: 1 patents #1,212 of 2,059Top 60%
Kabushiki Kaisha Toshiba: 1 patents #13,537 of 21,451Top 65%
NDNippon Denkai: 1 patents #8 of 23Top 35%
Overall (All Time): #68,633 of 4,157,543Top 2%
43 Patents All Time

Issued Patents All Time

Showing 26–43 of 43 patents

Patent #TitleCo-InventorsDate
11078966 Clutch friction plate and clutch device Shingo Yamamoto, Yoshihiko Ozawa, Kazuma Matsushita, Hiroyuki Ijima 2021-08-03
11003044 Electro-optic device Shinji Iwatsuka, Takashi Kikukawa, Toshinori MATSUURA, Yasuhiro Ohmori, Masaharu Doi +2 more 2021-05-11
11003043 Optical modulator Yasuhiro Ohmori, Masaharu Doi, Shintaro Takeuchi, Takehito Tanaka, Yoshinobu Kubota +4 more 2021-05-11
10989980 Optical modulator Shinji Iwatsuka, Kenji Endou, Toshinori MATSUURA, Takashi Kikukawa, Yasuhiro Ohmori +4 more 2021-04-27
10921522 Optical fiber member and optical fiber holder Masahiro Shinkai, Takashi Kikukawa, Masami Sasaki, Ryohei FUKUZAKI, Motohiro Nakahara +3 more 2021-02-16
10871686 Display, display system, image projection system, and movable object Takato Hada, Takahiro Akiyoshi, Keiji Sugiyama 2020-12-22
10634018 Internal combustion engine 2020-04-28
9707862 Power management apparatus and power management system Yumi Hanashima, Miyako Miyoshi, Hiroyuki Kaneko 2017-07-18
8929089 Electronic circuit module component and method of manufacturing electronic circuit module component Shigeru Asami, Seiichi Tajima, Shuichi Takizawa, Masumi Kameda, Kenichi Kawabata 2015-01-06
7883614 Method of manufacturing electronic part and electronic part Masashi Gotoh, Hajime Kuwajima, Hiroshi Yamamoto 2011-02-08
7371682 Production method for electronic component and electronic component Masashi Gotoh, Hajime Kuwajima, Hiroshi Yamamoto 2008-05-13
6565687 Ultrasonic bonding method Masashi Gotoh, Jitsuo Kanazawa 2003-05-20
6495022 Method of producing copper foil for fine wiring Yasuhiro Endo, Nobuchika Yagihashi 2002-12-17
6460591 Ultrasonic bonding method and ultrasonic bonding apparatus Masashi Gotoh, Jitsuo Kanazawa 2002-10-08
6350178 Zone textured magnetic recording media and methods for their production Joel R. Weiss, Koji Shima, Joseph Leigh, Hiroshi Konishi, Nobuo Kurataka +1 more 2002-02-26
6193590 Abrasive tape for texturing magnetic recording media Joel R. Weiss, Koji Shima, Joseph Leigh, Hiroshi Konishi, Nobuo Kurataka +1 more 2001-02-27
6025310 Organic compounds suited to lubricating films on magnetic recording media Ikuzo Nishiguchi, Sigeru Tsuboi, Seiki Sugi, Kazuhiro Higuchi 2000-02-15
5798164 Zone textured magnetic recording media Joel R. Weiss, Koji Shima, Joseph Leigh, Hiroshi Konishi, Nobuo Kurataka +1 more 1998-08-25