Photocopying
Contact printing
Light boxes
Inventor
active
Audio output system and method therefor
Book reader for the blind
Combined data input terminal and acoustic coupler
Conversation device with space and feed movement related to actu
Data processing apparatus
No associations
LandOfFree
Hirohiko Katayama does not yet have a rating. At this time, there are no reviews or comments for this inventor.
If you have personal experience with Hirohiko Katayama, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Hirohiko Katayama will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-P-139958