Average Co-Inventor Count = 1.15
ph-index = 5
The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.
Company Filing History:
1. Olympus Optical Company, Ltd. (10 from 5,729 patents)
10 patents:
1. D298238 - Tape recorder
2. D279097 - Tape recorder
3. D278899 - Tape recorder
4. D278900 - Tape recorder
5. D278853 - Tape recorder case
6. D278333 - Microphone
7. D277475 - Tape recorder
8. 4385332 - Tape cassette lid opening device for magnetic recording tape driving
9. D264586 - Tape recorder
10. D259640 - Indicator for camera