AN

Akio Nakashima

PL Pilot Ink Company, Limited: 18 patents #3 of 110Top 3%
HI Hitachi: 6 patents #6,582 of 28,497Top 25%
SC Sakai Chemical Industry Co.: 3 patents #40 of 227Top 20%
PA Panasonic: 2 patents #9,678 of 21,108Top 50%
KP Kabushiki Kaisha Pilot: 2 patents #49 of 160Top 35%
KC Kuraray Co.: 1 patents #981 of 1,827Top 55%
HI Hitachi Video Engineering, Incorporated: 1 patents #69 of 181Top 40%
HE Hitachi Video Eng.: 1 patents #2 of 36Top 6%
HS Hitachi Video And Information Systems: 1 patents #142 of 269Top 55%
Overall (All Time): #144,152 of 4,157,543Top 4%
27
Patents All Time

Issued Patents All Time

Showing 26–27 of 27 patents

Patent #TitleCo-InventorsDate
4550348 Video disc player skip/arm servo system Yosinobu Imada 1985-10-29
4328514 CRT Drive circuit comprising white and black level clamping circuitry Yoshimasa Okamoto 1982-05-04