KS

Keigo Shirafuji

EC Eagle Industry Co.: 68 patents #3 of 314Top 1%
TI Toyota Industries: 3 patents #452 of 1,610Top 30%
SA Sanden: 2 patents #221 of 631Top 40%
MG Mahle International Gmbh: 1 patents #783 of 1,650Top 50%
Overall (All Time): #30,466 of 4,157,543Top 1%
68
Patents All Time

Issued Patents All Time

Showing 1–25 of 68 patents

Patent #TitleCo-InventorsDate
12398822 Valve Takahiro Ejima, Kenshiro Furukawa, Kohei Fukudome 2025-08-26
12297913 Fluid control valve Toshinori Kanzaki, Wataru Takahashi, Masahiro Hayama, Kohei Fukudome 2025-05-13
12298048 Expansion valve Kohei Fukudome, Toshinori Kanzaki, Keichi Urushiyama, Takahiro Ejima, Kenshiro Furukawa +2 more 2025-05-13
12292130 Capacity control valve Takahiro Ejima, Kohei Fukudome 2025-05-06
12270476 Capacity control valve Keichi Urushiyama, Kohei Fukudome, Masahiro Hayama, Toshinori Kanzaki 2025-04-08
12264748 Capacity control valve Masahiro Hayama, Kohei Fukudome, Toshinori Kanzaki, Wataru Takahashi 2025-04-01
12264744 Valve Daichi Kurihara, Akihiro Hashiguchi, Kohei Fukudome 2025-04-01
12264743 Fluid control valve Toshinori Kanzaki, Wataru Takahashi, Masahiro Hayama, Kohei Fukudome 2025-04-01
12196464 Valve Takahiro Ejima, Kenshiro Furukawa, Kohei Fukudome 2025-01-14
12180950 Capacity control valve Masahiro Hayama, Kohei Fukudome, Toshinori Kanzaki, Wataru Takahashi 2024-12-31
12146574 Flow rate control valve Masahiro Hayama, Toshinori Kanzaki, Keichi Urushiyama, Kohei Fukudome 2024-11-19
12140243 Capacity control valve Masahiro Hayama, Kohei Fukudome, Toshinori Kanzaki, Wataru Takahashi 2024-11-12
12129840 Capacity control valve Masahiro Hayama, Kohei Fukudome, Toshinori Kanzaki, Wataru Takahashi 2024-10-29
12110882 Capacity control valve Daichi Kurihara, Kohei Fukudome 2024-10-08
12072035 Capacity control valve Masahiro Hayama, Kohei Fukudome, Toshinori Kanzaki, Wataru Takahashi 2024-08-27
12060870 Valve Toshinori Kanzaki, Wataru Takahashi, Masahiro Hayama, Kohei Fukudome 2024-08-13
12031531 Capacity control valve Kohei Fukudome, Masahiro Hayama, Takahiro Ejima 2024-07-09
12025237 Capacity control valve Daichi Kurihara, Kohei Fukudome 2024-07-02
12018663 Capacity control valve Daichi Kurihara, Akihiro Hashiguchi, Kohei Fukudome 2024-06-25
12012948 Capacity control valve Masahiro Hayama, Kohei Fukudome, Takahiro Ejima, Daichi Kurihara, Wataru Takahashi 2024-06-18
11994120 Capacity control valve Masahiro Hayama, Kohei Fukudome, Takahiro Ejima, Daichi Kurihara, Wataru Takahashi +1 more 2024-05-28
11988296 Capacity control valve Masahiro Hayama, Kohei Fukudome, Toshinori Kanzaki, Wataru Takahashi 2024-05-21
11927275 Capacity control valve Masahiro Hayama, Kohei Fukudome, Takahiro Ejima, Wataru Takahashi 2024-03-12
11873804 Capacity control valve Daichi Kurihara, Yoshihiro Ogawa, Kohei Fukudome, Masahiro Hayama, Takahiro Ejima +1 more 2024-01-16
11873805 Capacity control valve Masahiro Hayama, Kohei Fukudome, Takahiro Ejima, Daichi Kurihara, Wataru Takahashi 2024-01-16