4. Telephonic communications
  5. Substation or terminal circuitry
  6. Conversion of signal form

Masahiro Koura

Inventor

Rate now
  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

Inventor

active

Credit card which generates a DTMF tone

Telephonic communications – Supervisory or control line signaling – Substation originated
Patent

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Multi-function telephone apparatus and control method

Telephonic communications – Substation or terminal circuitry – Conversion of signal form
Patent

  [ 0.00 ] – not rated yet Voters 0   Comments 0

No associations

LandOfFree

Say what you really think

Search LandOfFree.com for the USA inventors and patents. Rate them and share your experience with other people.

Rating

Masahiro Koura does not yet have a rating. At this time, there are no reviews or comments for this inventor.

If you have personal experience with Masahiro Koura, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Masahiro Koura will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-P-175321

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.

Canada

 Charities
 Companies
 MP Candidates
 Patents
 Employee Salary Disclosure

World

 Places of the World
 Scientific Papers

United States

 Banks
 Companies
 Counties
 Patents
 Employee Salary Disclosure