Hiroshi Ota

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

TK Toshiba Tec Kabushiki Kaisha: 15 patents #189 of 1,664Top 15%

Ricoh Company: 14 patents #1,578 of 9,818Top 20%

MM Mitsubishi Materials: 6 patents #167 of 1,543Top 15%

TA Tdk Electronics Ag: 6 patents #35 of 503Top 7%

TS Toshiba Electronic Devices & Storage: 6 patents #116 of 900Top 15%

FU Fujifilm: 5 patents #1,507 of 4,519Top 35%

Sumitomo Electric Industries: 5 patents #5,365 of 21,551Top 25%

Canon: 5 patents #9,253 of 19,416Top 50%

KS Komatsu Shisakusho: 3 patents #142 of 885Top 20%

MA Maxell: 3 patents #182 of 437Top 45%

Tdk: 3 patents #1,522 of 3,796Top 45%

SH Shimadzu: 2 patents #805 of 2,007Top 45%

YJ Yahoo Japan: 2 patents #34 of 217Top 20%

PA Panasonic: 2 patents #9,678 of 21,108Top 50%

TO Toyota: 2 patents #10,861 of 26,838Top 45%

DI Denso Wave Incorporated: 2 patents #73 of 250Top 30%

HO Hoya: 2 patents #523 of 1,290Top 45%

Sharp Kabushiki Kaisha: 2 patents #5,184 of 10,731Top 50%

SC Sumitomo Chemical: 2 patents #1,792 of 4,033Top 45%

SE Seiko Epson: 1 patents #5,551 of 7,774Top 75%

AC Aisin Aw Co.: 1 patents #1,133 of 2,011Top 60%

EB Ebara: 1 patents #1,014 of 1,611Top 65%

HI Hitachi: 1 patents #17,742 of 28,497Top 65%

HS Hitachi Microcomputer System: 1 patents #104 of 257Top 45%

HC Hitachi Nuclear Engineering Co.: 1 patents #3 of 32Top 10%

KI Kabushiki Kaisha Isowa: 1 patents #27 of 54Top 50%

PC Pacific Industrial Co.: 1 patents #64 of 133Top 50%

SS Sakata Shokai: 1 patents #5 of 29Top 20%

AI Aisin: 1 patents #310 of 1,000Top 35%

TK Tokyo Keiki: 1 patents #60 of 166Top 40%

TK Toyoda Koki Kabushiki Kaisha: 1 patents #307 of 674Top 50%

Yamaha Motor: 1 patents #1,283 of 2,310Top 60%

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

Overall (All Time): #13,849 of 4,157,543Top 1%

102

Patents All Time

Issued Patents All Time

Showing 101–102 of 102 patents

Patent #	Title	Co-Inventors	Date
4234438	Magnetic recording medium	Eiji Horigome, Hitoshi Azegami	1980-11-18
4221686	Ultraviolet radiation curable printing ink	Kazuo Sakiyama, Hirosi Kato	1980-09-09