Inventor
active
Call circuit for key telephone system for giving direct station
Channel switching network
Control signal transmission system for key telephone system
Key telephone system
Key telephone system
No associations
LandOfFree
Hikaru Takematsu does not yet have a rating. At this time, there are no reviews or comments for this inventor.
If you have personal experience with Hikaru Takematsu, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Hikaru Takematsu will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-P-499553