Masaru Nakano

SL Semiconductor Energy Laboratory: 14 patents #457 of 1,113Top 45%

HI Hitachi: 12 patents #3,472 of 28,497Top 15%

TO Toyota: 5 patents #5,641 of 26,838Top 25%

TL Toyota Central R&D Labs: 5 patents #200 of 1,657Top 15%

MJ Mahle Filter Systems Japan: 5 patents #6 of 115Top 6%

Ricoh Company: 2 patents #5,693 of 9,818Top 60%

NE Nec: 2 patents #5,510 of 14,502Top 40%

JT Japan Agency For Marine-Earth Science And Technology: 2 patents #21 of 194Top 15%

DC Daiwabo Holdings Co.: 1 patents #4 of 26Top 20%

TE Tennex: 1 patents #2 of 14Top 15%

RS Ricoh Printing Systems: 1 patents #97 of 200Top 50%

HC Hitachi Koki Co.: 1 patents #557 of 888Top 65%

HC Hitachi Koko Co.: 1 patents #1 of 33Top 4%

Nissan Motor Co.: 1 patents #4,519 of 8,689Top 55%

KS Kabushiki Kaisha Tsuchiya Seisakusho: 1 patents #5 of 29Top 20%

YE Yaskawa Electric: 1 patents #557 of 1,006Top 60%

📍 Yokohama, JP: #172 of 480 inventorsTop 40%

Overall (All Time): #52,223 of 4,157,543Top 2%

Patents All Time

Issued Patents All Time

Showing 51–51 of 51 patents

Patent #	Title	Co-Inventors	Date
4579194	Muffler with catalyst for internal combustion engine	Akira Shiki, Hideki Nakazima	1986-04-01