YH

Yoshihiko Hayashi

HI Hitachi: 2 patents #622 of 3,771Top 20%
HC Hitachi Electronics Engineering Co.: 1 patents #1 of 21Top 5%
HC Hitachi High-Tech Electronics Engineering Co.: 1 patents #1 of 10Top 10%
OJ Opnext Japan: 1 patents #6 of 37Top 20%
Overall (2004): #17,725 of 270,089Top 7%
3
Patents 2004

Issued Patents 2004

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6829441 Driver circuit and optical-transmission module Norio Chujo, Akio Osaki, Naohiko Baba 2004-12-07
6801050 Driver circuit integrated with load current output circuit, pin electronics and IC tester having thereof Keizo Takechi, Akio Ohsaki, Kazuhiko Murata 2004-10-05
6700369 Testing apparatus of magnetic recording medium or magnetic head including a plurality of analog-to-digital converters which convert reproduced testing data into digital data Masami Makuuchi, Ritsurou Orihashi, Norio Chujo, Masayoshi Takahashi, Shinji Homma 2004-03-02