Average Co-Inventor Count = 2.19
ph-index = 4
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. (8 from 5,729 patents)
8 patents:
1. 6839190 - Optical apparatus and imaging apparatus using the same
2. 6829011 - Electronic imaging device
3. 6035136 - Zoom lens barrel
4. 4658306 - Method of recording identification signal on software recording medium
5. 4401358 - Device for preventing erroneous insertion of a plurality of print
6. 4385332 - Tape cassette lid opening device for magnetic recording tape driving
7. 4351009 - Apparatus for moving the pinch roller and the magnetic head of a tape
8. 4337383 - Earphone jack for tape recorders