Takashi Aoyama

HI Hitachi: 22 patents #1,535 of 28,497Top 6%

SE Seiko Epson: 16 patents #1,167 of 7,774Top 20%

Nissan Motor Co.: 8 patents #916 of 8,689Top 15%

SO Sony: 6 patents #6,793 of 25,231Top 30%

HC Hitachi Cable: 6 patents #88 of 1,086Top 9%

RT Renesas Technology: 4 patents #758 of 3,337Top 25%

HH Hitachi High-Technologies: 3 patents #776 of 1,917Top 45%

Sumitomo Electric Industries: 3 patents #7,735 of 21,551Top 40%

DE Denso: 3 patents #3,857 of 11,792Top 35%

AC Asmo Co.: 2 patents #218 of 745Top 30%

TU The Rockefeller University: 2 patents #209 of 698Top 30%

TI Toyota Industries: 2 patents #357 of 955Top 40%

JA Japan Aerospace Exploration Agency: 1 patents #160 of 546Top 30%

HC Hitachi Instruments Engineering Co.: 1 patents #18 of 126Top 15%

HS Hitachi Communication Systems: 1 patents #34 of 83Top 45%

YU Yamanashi University: 1 patents #5 of 20Top 25%

Nintendo Co.: 1 patents #886 of 1,476Top 65%

MB Mitsubishi Fuso Truck And Bus: 1 patents #47 of 114Top 45%

📍 Toyota, JP: #12 of 316 inventorsTop 4%

Overall (All Time): #24,974 of 4,157,543Top 1%

Patents All Time

Issued Patents All Time

Showing 76–76 of 76 patents

Patent #	Title	Co-Inventors	Date
4181406	Electrochromic display device	Rikusei Kohara	1980-01-01