Takashi Hirose

FI Fujikin Incorporated: 35 patents #12 of 318Top 4%

SL Semiconductor Energy Laboratory: 10 patents #524 of 1,113Top 50%

TL Tokyo Electron Limited: 9 patents #845 of 5,567Top 20%

UN Unknown: 8 patents #1,262 of 83,584Top 2%

Sumitomo Electric Industries: 7 patents #3,987 of 21,551Top 20%

NE Nec: 6 patents #2,374 of 14,502Top 20%

TK Toshiba Kikai: 5 patents #90 of 713Top 15%

NU National University Corporation Tohoku University: 5 patents #13 of 170Top 8%

NT NTT: 3 patents #1,627 of 4,871Top 35%

TO Tadahiro Ohmi: 2 patents #13 of 65Top 20%

MC Meidensha Electric Mfg. Co.: 2 patents #2 of 14Top 15%

RL Rp Topla Limited: 2 patents #4 of 23Top 20%

OV Oval: 1 patents #28 of 44Top 65%

Fujitsu Limited: 1 patents #14,843 of 24,456Top 65%

HC Hitachi Construction Machinery Co.: 1 patents #701 of 1,234Top 60%

KC Kojima Press Industry Co.: 1 patents #38 of 143Top 30%

NT Ntn: 1 patents #814 of 1,364Top 60%

SU Subaru: 1 patents #677 of 1,436Top 50%

TC Takashimaya Nippatsu Kogyo Co.: 1 patents #10 of 40Top 25%

TC Toyoda Iron Works Co.: 1 patents #62 of 147Top 45%

📍 Yokohama, JP: #118 of 480 inventorsTop 25%

Overall (All Time): #24,338 of 4,157,543Top 1%

Patents All Time

Issued Patents All Time

Showing 76–77 of 77 patents

Patent #	Title	Co-Inventors	Date
4461817	Electrode for electrolyte circulation-type cell stack secondary battery	Hiromichi Itoh, Akira Yamamoto	1984-07-24
4321312	Metal-halogen secondary battery system	Toshinobu Fujii, Naoki Kondo	1982-03-23