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

Junichi Arai

HOHosiden: 52 patents #4 of 328Top 2%
NCNihon Dempa Kogyo Co.: 16 patents #17 of 296Top 6%
Nissan Motor Co.: 9 patents #795 of 8,689Top 10%
FCFukuda Metal Foil & Powder Co.: 6 patents #6 of 95Top 7%
SESeiko Epson: 6 patents #2,663 of 7,774Top 35%
MOMoritex: 5 patents #3 of 50Top 6%
KMKonica Minolta: 5 patents #737 of 2,718Top 30%
KMKonica Minolta: 3 patents #626 of 1,361Top 50%
AKAkashi: 2 patents #3 of 14Top 25%
TCToppan Printing Co.: 2 patents #414 of 1,467Top 30%
UMUchiyama Manufacturing: 1 patents #36 of 116Top 35%
Fujitsu Limited: 1 patents #14,843 of 24,456Top 65%
KKKayaba Kogyo: 1 patents #38 of 155Top 25%
Mitsubishi Electric: 1 patents #15,491 of 25,717Top 65%
MMMitsubishi Motors: 1 patents #856 of 1,823Top 50%
RSRenault S.A.S.: 1 patents #417 of 1,209Top 35%
Toyokawa, JP: #1 of 656 inventorsTop 1%
Overall (All Time): #13,440 of 4,157,543Top 1%
104 Patents All Time

Issued Patents All Time

Showing 1–25 of 104 patents

Patent #TitleCo-InventorsDate
12135059 Sliding member and member for internal combustion engine Yoshinori Izawa, Katsunori Otobe, Shinichi Nishimura 2024-11-05
11987721 Heat-shielding member Yuka Suzuki, Yutaka Mabuchi, Takuma Suzuki 2024-05-21
11976366 Sliding member and member for internal combustion engine Yoshinori Izawa, Katsunori Otobe, Shinichi Nishimura 2024-05-07
11926900 Laminate, sliding member, and method for manufacturing laminate Yoshinori Izawa, Yutaka Mabuchi, Katsunori Otobe, Shinichi Nishimura 2024-03-12
11680499 Sliding member Yoshinori Izawa, Yutaka Mabuchi, Akinobu Itou, Misao Mogami, Masanao Harada +1 more 2023-06-20
11619893 Image forming device and controlling method 2023-04-04
11150593 Image forming apparatus capable of supressing toner remaining in an outer region of a photoconductor 2021-10-19
11148195 Laminate, sliding member, and method for manufacturing laminate Yoshinori Izawa, Yutaka Mabuchi, Katsunori Otobe, Shinichi Nishimura 2021-10-19
10982622 Sliding member, and sliding member of internal combustion engine Yoshinori Izawa, Yutaka Mabuchi, Christian Grente, Elodie Bonay, Carolina Specht +1 more 2021-04-20
10927893 Sliding member, and sliding member for internal combustion engine Yoshinori Izawa, Katsunori Otobe, Shinichi Nishimura 2021-02-23
10745809 Method for producing laminated member Yoshinori Izawa, Yutaka Mabuchi, Katsunori Otobe, Shinichi Nishimura 2020-08-18
10705467 Image forming apparatus capable of evaluating the consumption of a fixing belt, control method and control program thereof 2020-07-07
10666194 Oven-controlled crystal oscillator 2020-05-26
10354019 Recording medium, dental prosthesis design apparatus, and dental prosthesis design method Toshihisa Fujiwara, Toshiaki Mase, Guoping Sun 2019-07-16
10291235 Oven controlled crystal oscillator 2019-05-14
10278293 Electronic device Tomoyuki Hosoda 2019-04-30
10256825 Oven controlled crystal oscillator 2019-04-09
10043717 Electronic device Masakazu Nishiwaki, Daisaku Nagata 2018-08-07
9342032 Image forming apparatus Michio Takahashi, Toshiyuki TOKUNO, Kenji Taki 2016-05-17
9256235 Temperature control circuit and oven controlled crystal oscillator 2016-02-09
9174478 Thermal transfer recording medium Godai Fukunaga, Makiko Nitanai, Yasuo Sugishita, Yoko Hirai, Emi Ando 2015-11-03
9077347 Oven controlled crystal oscillator Takahiro Yoshimura 2015-07-07
9077281 Oscillator circuit 2015-07-07
9007610 System-speed switchable image forming device Kenji Taki 2015-04-14
8981260 Temperature control circuit of oven-controlled crystal oscillator 2015-03-17