DH

Daisaku Hayashi

DJ Doryokuro Kakunenryo Kaihatsu Jigyodan: 1 patents #104 of 393Top 30%
SO Sony: 1 patents #17,262 of 25,231Top 70%
📍 Hitachinaka, JP: #1,336 of 2,447 inventorsTop 55%
Overall (All Time): #2,098,872 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
8312524 Card management device and card management system Hiroshi Kuno, Mitsuru Tanabe, Koji Yoshimura 2012-11-13
4400604 Heat treating method and apparatus using microwave Katsuyuki Ohtsuka, Hiroaki Miyo 1983-08-23