SC

Shigefusa Chichibu

TU Tohoku University: 4 patents #157 of 1,680Top 10%
MC Mitsubishi Chemical: 2 patents #928 of 3,022Top 35%
SC Soko Kagaku Co.: 2 patents #7 of 21Top 35%
TW The Japan Steel Works: 2 patents #158 of 643Top 25%
JM Japan Steel Works M&E: 1 patents #5 of 15Top 35%
SC Sumitomo Metal Mining Co.: 1 patents #385 of 736Top 55%
NM Nihon Micronics: 1 patents #96 of 171Top 60%
Rohm Co.: 1 patents #1,438 of 2,292Top 65%
📍 Rifu, JP: #402 of 2,101 inventorsTop 20%
Overall (All Time): #621,876 of 4,157,543Top 15%
8
Patents All Time

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDate
11746439 Pressure container for crystal production Kouhei KURIMOTO, Quanxi BAO, Mutsuo Ueda, Yuji Sasagawa, Masaya Morimoto +1 more 2023-09-05
11245113 Secondary battery Takashi TONOKAWA, Yutaka Kosaka, Kazuyuki Tsunokuni, Hikaru TAKANO, Kazunobu Kojima 2022-02-08
11217726 Nitride semiconductor ultraviolet light-emitting element Akira Hirano, Yosuke Nagasawa, Kazunobu Kojima 2022-01-04
10643849 Manufacturing method of nitride semiconductor ultraviolet light emitting element, and nitride semiconductor ultraviolet light emitting element Akira Hirano, Yosuke Nagasawa, Kazunobu Kojima 2020-05-05
10501865 Method for producing nitride single crystal using nitrogen-containing solvent, mineralizer having fluorine atom, and raw material Tohru Ishiguro, Quanxi BAO, Chiaki Yokoyama, Daisuke Tomida, Rinzo Kayano +3 more 2019-12-10
9976229 Method for producing nitride single crystal Tohru Ishiguro, Quanxi BAO, Chiaki Yokoyama, Daisuke Tomida, Rinzo Kayano +3 more 2018-05-22
9045821 Laminate, method for producing same, and functional element using same Kouji Hazu, Tokuyuki Nakayama, Akikazu Tanaka 2015-06-02
8134180 Nitride semiconductor device with a vertical channel and method for producing the nitride semiconductor device Hirotaka OTAKE 2012-03-13