Masahiko Hayashi

IL Isuzu Motors Limited: 12 patents #28 of 908Top 4%

NT NTT: 10 patents #481 of 4,871Top 10%

TI Toray Industries: 5 patents #528 of 3,690Top 15%

Kubota: 4 patents #505 of 2,059Top 25%

TR Transtron: 3 patents #9 of 39Top 25%

ZE Zeon: 3 patents #220 of 734Top 30%

SC Sanyo Electric Co.: 2 patents #2,557 of 6,347Top 45%

UI Ube Industries: 1 patents #895 of 1,686Top 55%

NC Nitto Electric Industrial Co.: 1 patents #106 of 298Top 40%

JE Japan Envirochemicals: 1 patents #2 of 13Top 20%

ME Meidensha: 1 patents #255 of 555Top 50%

NU National University Corporation Kobe University: 1 patents #47 of 288Top 20%

DI Daicel Chemical Industries: 1 patents #476 of 893Top 55%

RE Renesas Electronics: 1 patents #2,739 of 4,529Top 65%

TI The Kitasato Institute: 1 patents #69 of 172Top 45%

📍 Kasai, JP: #72 of 5,842 inventorsTop 2%

Overall (All Time): #52,177 of 4,157,543Top 2%

Patents All Time

Issued Patents All Time

Showing 51–51 of 51 patents

Patent #	Title	Co-Inventors	Date
4656241	Method for producing polybutylene terephthalate	Hiroshi Iida, Kunihiro Azuma	1987-04-07