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

Hiroshi Arai

SOSony: 17 patents #2,459 of 25,231Top 10%
Ricoh Company: 13 patents #1,714 of 9,818Top 20%
HIHitachi: 11 patents #3,813 of 28,497Top 15%
SHShimadzu: 9 patents #165 of 2,007Top 9%
SISumitomo Rubber Industries: 7 patents #320 of 1,637Top 20%
LLLihit Lab.: 7 patents #2 of 11Top 20%
TOToyota: 5 patents #5,641 of 26,838Top 25%
HCHitachi Software Engineering Co.: 5 patents #19 of 502Top 4%
Honda Motor Co.: 4 patents #5,328 of 21,052Top 30%
SESeiko Epson: 4 patents #3,385 of 7,774Top 45%
NINikon: 4 patents #874 of 2,493Top 40%
NCNippon Metal Industry Co.: 3 patents #4 of 22Top 20%
KTKabushiki Kaisha Toshiba: 2 patents #13,537 of 21,451Top 65%
NENec: 2 patents #5,510 of 14,502Top 40%
NCNippondenso Co.: 2 patents #1,150 of 3,479Top 35%
Canon: 2 patents #12,681 of 19,416Top 70%
CCChichibu Cement Co.: 2 patents #15 of 80Top 20%
MSMitsubishi Hitachi Power Systems: 1 patents #495 of 970Top 55%
KSKawasaki Steel: 1 patents #889 of 1,922Top 50%
TCToray Engineering Co.: 1 patents #46 of 169Top 30%
HSHitachi Hokkai Semiconductor: 1 patents #44 of 98Top 45%
HOHoneywell: 1 patents #7,507 of 14,447Top 55%
JCJeco Co.: 1 patents #30 of 73Top 45%
RTRenesas Technology: 1 patents #1,991 of 3,337Top 60%
PCPolymatech Co.: 1 patents #43 of 84Top 55%
Overall (All Time): #14,802 of 4,157,543Top 1%
99 Patents All Time

Issued Patents All Time

Showing 76–99 of 99 patents

Patent #TitleCo-InventorsDate
5537523 Method and apparatus for displaying altitude of form characteristics generated from a geometric model in a computer using a graph Ichiro Harashima, Norihiro Nakajima 1996-07-16
5517319 Apparatus for combining divided portions of larger image into a combined image 1996-05-14
5485560 Displaying method and system for displaying an object by designating a state of display of the object Tomotoshi Ishida, Shunsuke Minami, Yasumasa Kawashima, Takeo Yamada, Shigeru Arai 1996-01-16
5378505 Method of and apparatus for electrostatically spray-coating work with paint Toshio Kubota, Niichi Toyama, Ichirou Ishibashi, Yukihito Ono 1995-01-03
5367961 Pallet support leg including semi-circular flange blades Clifford B. Hewson, John W. Hartloff 1994-11-29
5369067 Composite substrates and their production Morhudun G. M. U. Ismail, Zenjiro Nakai 1994-11-29
5327782 Automatic brake shoe measuring apparatus for rolling stock Hitoshi Sato, Shigetoshi Adachi, Hisao Nishii, Takehiro Yazaki, Osamu Tashiro +3 more 1994-07-12
5237807 Spinning machine Takashi Iwade, Hiroyuki Matsumura 1993-08-24
5229093 Method for making mullite whiskers using hydrofluoric acid M. G. M. U. Ismail, Zenjiro Nakai 1993-07-20
5079822 Method of assembling automotive body and body panels, apparatus for removing and installing body panels, and feed jig for feeding body panels Toru Yamamoto, Shogo Ozawa, Tadashi Takeo, Kengo Shibusawa 1992-01-14
5028992 Image combining apparatus for a digital color copier 1991-07-02
5001807 Dust collector 1991-03-26
5003498 Graphic display method Yoshimi Ota, Misato Nio 1991-03-26
4936504 Process for producing a clad plate Seiichi Takeda, Masahiro Sasaki, Kazuhisa Yokoyama 1990-06-26
4911818 Method and apparatus for surface treatment on automotive bodies Uhee Kikuchi, Tadashi Takeo, Kiyohiro Ichinose, Goro Uchida, Hirofumi Hara 1990-03-27
4846904 Martensitic stainless steel having excellent hardness by subzero treatment Tadahiko Murakami, Kazuo Mashimo, Jyou Tanioka 1989-07-11
4806927 Communication control method 1989-02-21
4771819 Manufacturing apparatus for sheet metal according to continuous casting Naoto Toyama, Hiroshi Yoshimura, Hidetoshi Abo, Yoshio Sawamura 1988-09-20
4653799 Apparatus for housing electrical wiring extending between a vehicle door and a vehicle body Kazunobu Fukushima 1987-03-31
4426788 Inclinometers Hisashi Hirose, Hiroshi Iiyama, Hirokazu Komiya 1984-01-24
4413424 Azimuth determinating apparatus Hiroaki Sasaki, Testuya Inoue, Yoshiharu Mineo, Sei Iguchi, Kazuhide Makita +4 more 1983-11-08
4400779 Method and apparatus for indicating mileage corresponding to remaining fuel for vehicles Shuichi Kosuge, Hiroshi Ogura, Hisatoshi Ohta 1983-08-23
4389639 Voice warning device using entertainment speaker Taketsugu Torii, Hisatoshi Oota 1983-06-21
4184102 Flashing and sound generating lamp 1980-01-15