Kazutoshi Hayashi

Fujitsu Limited: 8 patents #3,989 of 24,456Top 20%

Brother Kogyo: 8 patents #992 of 2,767Top 40%

TC Toyoda Gosei Co.: 5 patents #462 of 2,296Top 25%

FL Fujitsu Takamisawa Component Limited: 5 patents #14 of 113Top 15%

BI Brother Industries: 1 patents #202 of 325Top 65%

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

NL Nagano Fujitsu Component Limited: 1 patents #5 of 32Top 20%

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

📍 Suzaka, JP: #1 of 2 inventorsTop 50%

Overall (All Time): #155,634 of 4,157,543Top 4%

Patents All Time

Issued Patents All Time

Showing 26–26 of 26 patents

Patent #	Title	Co-Inventors	Date
4529849	Push-button switch and a keyboard comprising the same	Seisuke Kamei, Toshiaki Tanaka, Akira Tanaka, Ryohei Kinoshita	1985-07-16