Junichi Okada

SI Sumitomo Heavy Industries: 11 patents #20 of 917Top 3%

SC Shin-Etsu Chemical Co.: 10 patents #415 of 2,176Top 20%

GC Gc: 10 patents #4 of 306Top 2%

EP Epson: 4 patents #4 of 66Top 7%

SE Seiko Epson: 3 patents #3,864 of 7,774Top 50%

Fujitsu Limited: 3 patents #8,614 of 24,456Top 40%

OL Olympus: 3 patents #1,323 of 3,097Top 45%

TT The University Of Tokyo: 3 patents #321 of 2,633Top 15%

SS Suwa Seikosha: 2 patents #49 of 220Top 25%

MIT: 1 patents #4,386 of 9,367Top 50%

SC Shin-Etsu Handotai Co.: 1 patents #385 of 679Top 60%

SK Shinshu Seiki Kabushiki Kaisha: 1 patents #14 of 38Top 40%

YE Yaskawa Electric: 1 patents #31 of 101Top 35%

TI Tokyo Electric Power Company Holdings, Incorporated: 1 patents #245 of 711Top 35%

Nsk: 1 patents #937 of 1,559Top 65%

Mitsubishi Electric: 1 patents #15,491 of 25,717Top 65%

TO Toyota: 1 patents #15,335 of 26,838Top 60%

Overall (All Time): #49,731 of 4,157,543Top 2%

Patents All Time

Issued Patents All Time

Showing 51–52 of 52 patents

Patent #	Title	Co-Inventors	Date
4420764	Ink jet printer head	—	1983-12-13
4364067	Highly integrated ink jet head	Haruhiko Koto	1982-12-14