Average Co-Inventor Count = 2.71
ph-index = 10
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. Lion Corporation (5 from 271 patents)
2. Sony Corporation (3 from 58,129 patents)
3. Pentax Corporation (3 from 1,056 patents)
4. Bandai Co., Ltd. (3 from 126 patents)
5. Asahi Seimitsu Kabushiki Kaisha (3 from 46 patents)
6. Kikuchi Co., Ltd. (3 from 13 patents)
7. Pentax Precision Co., Ltd. (3 from 6 patents)
8. Other (1 from 832,680 patents)
9. Bridgestone Corporation (1 from 5,118 patents)
10. Janome Sewing Machine Company Limited (1 from 609 patents)
11. Entax Precision Co., Ltd. (1 from 1 patent)
24 patents:
1. D1065029 - Tire tread
2. 7801730 - Voice recognition control system and voice recognition control method
3. 7624486 - Button manufacturing device
4. 7509891 - Button making device, button, and method of mounting pressing mold in button making device
5. 7069678 - Badge and badge manufacturing device
6. 7055253 - Surveying instrument
7. 6945657 - Surveying instrument
8. 6891141 - Surveying instrument having an optical distance meter and an autofocus system, and a surveying instrument having a detachable autofocus system
9. 6822732 - Surveying instrument having an auto-collimating function and a distance measuring function
10. 6796042 - Survey point indicating instrument
11. 6734410 - Surveying instrument having an optical distance meter and an autofocus system, and a surveying instrument having a detachable autofocus system
12. 6677568 - Surveying instrument having a phase-difference detection type focus detecting device
13. 6624402 - Surveying instrument, surveying instrument having AF function, surveying instrument having PF mechanism, and surveying instrument having multiple-focus function
14. D447066 - Measurement surveying device
15. D427087 - Measurement surveying device