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

Makoto Iwasaki — 77 Patents

Tdk: 25 patents #186 of 3,796Top 5%
Hitachi: 18 patents #2,067 of 28,497Top 8%
HSHarmonic Drive Systems: 8 patents #18 of 147Top 15%
Casio Computer Co.: 5 patents #505 of 1,970Top 30%
Mitsubishi Electric: 5 patents #5,859 of 25,717Top 25%
Denso: 4 patents #3,129 of 11,792Top 30%
NKNippon Kayaku: 3 patents #255 of 1,103Top 25%
KIKurita Water Industries: 2 patents #86 of 384Top 25%
JCJapan Cash Machine Co.: 2 patents #37 of 83Top 45%
NTNagoya Institute Of Technology: 2 patents #16 of 159Top 15%
HMHitachi Via Mechanics: 1 patents #43 of 109Top 40%
HCHitachi Cable: 1 patents #530 of 1,086Top 50%
OCOji Paper Co.: 1 patents #173 of 423Top 45%
SESensotech: 1 patents #19 of 59Top 35%
FCFuji Machine Mfg. Co.: 1 patents #140 of 245Top 60%
KSKobe Steel: 1 patents #922 of 2,031Top 50%
Overall (All Time): #24,274 of 4,157,543Top 1%
77 Patents All Time
Makoto Iwasaki has been granted 77 US patents while listed as an inventor at Tdk. The first was granted in 1983 and the most recent in May 2025. Makoto Iwasaki ranks #24,274 of 4,157,543 US inventors in our database (top 0.58%). Patent records list Makoto Iwasaki in Osaka, MH, JP.

Patents per Year

Patents granted per year, 1983 to 2025Bar chart with a peak of 10 patents in 2020.peak 101983: 1 patents19831996: 2 patents2000: 1 patents2001: 1 patents20012002: 1 patents2007: 1 patents2009: 1 patents20092010: 4 patents2011: 1 patents2012: 5 patents20122013: 5 patents2014: 2 patents2015: 5 patents20152016: 2 patents2017: 6 patents2018: 3 patents20182019: 8 patents2020: 10 patents2021: 6 patents20212022: 8 patents2023: 2 patents2024: 1 patents20242025: 1 patents2025

Issued Patents All Time

Showing 1–25 of 77 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12300057 Paper sheet processing system, paper sheet processing method, and program Nobuhiro Ida, Yousuke Miyashita 2025-05-13
11927195 Sealing device, rotary machine, and design method for sealing device preliminary class Motomu Asahara, Naoto Omura 2024-03-12 $300,000
11827470 Paper sheet processing device, stacking tray, and paper sheet stacking method Yoshihito Osada, Kazuya Furumachi, Yousuke Miyashita, Nobuhiro Ida, Hirotaka Yamazaki +2 more 2023-11-28
11783973 R-T-B based permanent magnet Hidetake Kitaoka 2023-10-10
11492684 R-T-B based permanent magnet 2022-11-08
11469016 R-T-B based sintered magnet Ayato Kakoki, Tetsuya Hidaka, Takuma Hayakawa 2022-10-11
11398327 Alloy for R-T-B based permanent magnet and method of producing R-T-B based permanent magnet Hiroki Kawamura, Hidetake Kitaoka 2022-07-26
11387024 R-T-B based rare earth sintered magnet and method of producing R-T-B based rare earth sintered magnet Hiroki Kawamura 2022-07-12
11306603 Steam turbine Rimpei Kawashita, Katsuya Yamashita 2022-04-19 $111,000
11270814 Insulated wire and cable using halogen-free flame-retardant resin composition Akira Setogawa 2022-03-08
11244778 R-T-B based permanent magnet Akihiro Harada 2022-02-08
11244779 R-T-B based permanent magnet Mariko Fujiwara 2022-02-08
11078803 Axial flow rotating machinery Rimpei Kawashita, Makoto Kamishita, Kazuyuki Matsumoto 2021-08-03
11049629 Non-halogen flame-retardant insulated electric wire and non-halogen flame-retardant cable Ryutaro Kikuchi, Mitsuru Hashimoto, Takuya Oriuchi 2021-06-29
10990712 Contact force evaluation method Kazuo Hirota, Shingo Nishida, Tetsuya Arikawa, Ryoichi Kawakami, Masaaki Katayama +2 more 2021-04-27
10991492 R-T-B based permanent magnet Mariko Fujiwara 2021-04-27
10964463 Alloy for R—T—B based rare earth sintered magnet and method for producing the R—T—B based rare earth sintered magnet Takuma Hayakawa, Tetsuya Hidaka, Eiji Kato, Hidetake Kitaoka 2021-03-30
10907499 Rotor-blade-side sealing apparatus, stationary-blade-side sealing apparatus, and rotary machine Rimpei Kawashita, Yasunori Tokimasa 2021-02-02
10848023 Motor containing a permanent magnet having high and low temperature side permanent magnet parts Hidetake Kitaoka, Tetsuya Hidaka, Eiji Kato, Takuma Hayakawa 2020-11-24
10825589 R-T-B based rare earth magnet Tetsuya Hidaka, Eiji Kato, Takuma Hayakawa, Hidetake Kitaoka 2020-11-03
10755840 R-T-B based sintered magnet Tetsuya Hidaka, Takuma Hayakawa, Ayato Kakoki 2020-08-25
10748683 R-T-B based sintered magnet Tetsuya Hidaka, Takuma Hayakawa, Ayato Kakoki, Naoto TSUKAMOTO, Fumitaka Baba 2020-08-18
10748676 LAN cable Tamotsu Kibe, Motoharu Kajiyama, Mamoru Ohashi 2020-08-18
10726983 Rare earth magnet and motor Jun Hagiwara, Fumitaka Baba, Satoshi Koga 2020-07-28
10726969 Multilayer insulated wire and multilayer insulated cable Ryutaro Kikuchi, Tamotsu Kibe, Mitsuru Hashimoto 2020-07-28