Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
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Tsukasa Nishimura — 24 Patents

Panasonic: 16 patents #1,398 of 21,108Top 7%
BABabcock-Hitachi: 4 patents #64 of 415Top 20%
Hitachi: 2 patents #13,388 of 28,497Top 50%
GIGs Yuasa International: 1 patents #283 of 491Top 60%
HCHokkaido Electric Power Co.: 1 patents #23 of 84Top 30%
SHShimadzu: 1 patents #1,152 of 2,007Top 60%
Otofuke, JP: #9 of 546 inventorsTop 2%
Overall (All Time): #171,057 of 4,157,543Top 5%
24 Patents All Time

Issued Patents All Time

Showing 1–24 of 24 patents

Patent #TitleCo-InventorsDate
11563340 Power supply device, server, and power supply device management system Hitoshi Nakayama 2023-01-24
RE48964 Electromagnetic relay Katsutoshi Yamagata 2022-03-08
10991532 Contact device and electromagnetic relay mounted with same Masahiro Ito 2021-04-27
10388478 Electromagnetic relay for simplifying attachment of a counterpart member Ryosuke Koeda 2019-08-20
10090127 Contact device and electromagnetic relay mounted with same Masahiro Ito 2018-10-02
9711311 Electromagnetic relay Katsutoshi Yamagata 2017-07-18
9640354 Contact device Ritsu Yamamoto 2017-05-02
9530599 Electromagnetic relay Katsutoshi Yamagata 2016-12-27
9443685 Contact device Ritsu Yamamoto 2016-09-13
9196442 Contact point device and electromagnetic relay that mounts the contact point device thereon Masahiro Ito 2015-11-24
9082576 Contact device 2015-07-14
9064664 Contact device Ritsu Yamamoto 2015-06-23
9058950 Coil terminal 2015-06-16
8810342 Electromagnetic relay Hirofumi Fukazawa 2014-08-19
8729991 Coil terminal 2014-05-20
8395463 Contact device Masahiro Ito, Ritsu Yamamoto, Motoharu Kubo 2013-03-12
8255624 Storage apparatus and its control method Masanori Fujii, Sumihiro Miura, Hiraki Mikami 2012-08-28
8222980 Sealed contact device Katsutoshi Yamagata, Ritu Yamamoto, Katumi Yositani, Masahiro Ito 2012-07-17
8117391 Storage system and data management method Masanori Fujii, Sumihiro Miura, Yoshinori Okubo 2012-02-14
5255562 Measurement of interfacial strength of a composite material Yasunori Yamamoto 1993-10-26
5037796 Process for producing hydrated and cured product of lime-gypsum-coal ash mixture Satoshi Kudo, Tsutomu Ueno, Tadaaki Mizoguchi, Takanori Kuwahara 1991-08-06
4687649 Flue gas desulfurization process Hiroshi Kuroda, Masakatsu Nishimura, Taiki Hashimoto, Osamu Kanda, Shigeru Nozawa +1 more 1987-08-18
4487784 Limestone-gypsum flue gas desulfurization process Hiroshi Kuroda, Taiki Hashimoto, Masakatsu Nishimura, Osamu Kanda, Shigeru Nozawa 1984-12-11
4328195 Process for desulfurizing combustion exhaust gases Toshikatsu Mori, Teruo Kumagai, Shinpei Matsuda, Yasuyuki Nishimura 1982-05-04