Toshio Takada

KT Kabushiki Kaisha Toshiba: 15 patents #1,982 of 21,451Top 10%

SK Seisan Kaihatsu Kagaku Kenkyusho: 13 patents #1 of 31Top 4%

TK Toda Kogyo: 12 patents #33 of 328Top 15%

NE Nec: 12 patents #1,037 of 14,502Top 8%

HE Hitachi Kokusai Electric: 10 patents #85 of 843Top 15%

TO Tosoh: 9 patents #48 of 1,042Top 5%

NS Nippon Steel: 8 patents #274 of 4,423Top 7%

Tdk: 8 patents #764 of 3,796Top 25%

KC Kanegafuchi Chemical Industry Co.: 7 patents #8 of 179Top 5%

UI Ube Industries: 7 patents #159 of 1,686Top 10%

Sumitomo Electric Industries: 6 patents #4,612 of 21,551Top 25%

TK Toyo Boseki Kabushiki Kaisha: 6 patents #90 of 1,085Top 9%

NL Nippon Mining Company Limited: 6 patents #3 of 262Top 2%

HU Hiroshima University: 2 patents #78 of 421Top 20%

JE Japan Energy: 2 patents #44 of 240Top 20%

KS Kobe Steel: 2 patents #504 of 2,031Top 25%

OC Osaka Cement Co.: 2 patents #4 of 19Top 25%

HC Hitachi Chemical Company: 1 patents #1,071 of 1,946Top 60%

PA Panasonic: 1 patents #13,264 of 21,108Top 65%

SO Sony: 1 patents #17,262 of 25,231Top 70%

Overall (All Time): #52,910 of 4,157,543Top 2%

Patents All Time

Issued Patents All Time

Showing 51–51 of 51 patents

Patent #	Title	Co-Inventors	Date
4529524	Process for producing plate-like barium ferrite particles for magnetic recording	Norimichi Nagai, Nanao Horiishi, Masao Kiyama	1985-07-16