Takahiko Suzuki

KC Kotobuki & Co.: 10 patents #14 of 77Top 20%

YA Yazaki: 10 patents #448 of 3,427Top 15%

Tdk: 6 patents #953 of 3,796Top 30%

YE Yaskawa Electric: 5 patents #148 of 1,006Top 15%

TC Tachi-S Co.: 4 patents #72 of 398Top 20%

FI Fujifilm Business Innovation: 3 patents #2,355 of 5,238Top 45%

FC Fukoku Co.: 3 patents #9 of 76Top 15%

HH Hitachi High-Technologies: 3 patents #776 of 1,917Top 45%

GT Griffin Technology: 2 patents #24 of 40Top 60%

Yamaha Motor: 2 patents #855 of 2,310Top 40%

HI Hitachi: 2 patents #13,388 of 28,497Top 50%

SC Shinko Electric Industries Co.: 1 patents #437 of 723Top 65%

HC Hitachi High-Tech Electronics Engineering Co.: 1 patents #11 of 59Top 20%

Fujitsu Limited: 1 patents #14,843 of 24,456Top 65%

TC Taiheiyo Cement: 1 patents #83 of 203Top 45%

UN Unknown: 1 patents #29,356 of 83,584Top 40%

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

📍 Gyōda, CA: #2 of 5 inventorsTop 40%

Overall (All Time): #45,727 of 4,157,543Top 2%

Patents All Time

Issued Patents All Time

Showing 51–55 of 55 patents

Patent #	Title	Co-Inventors	Date
4669904	Writing instrument with weight actuation	Hidehei Kageyama	1987-06-02
4403691	Spare lead holder	Hidehei Kageyama	1983-09-13
4386865	Automatic sharp pencil	Hidehei Kageyama	1983-06-07
4371277	Automatic pencil	Hidehei Kageyama	1983-02-01
4365390	Clip for writing utensil	Hidehei Kageyama	1982-12-28