Average Co-Inventor Count = 1.59
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. Daiwa Seiko, Inc. (23 from 602 patents)
2. Fuji Photo Optical Co., Ltd. (3 from 1,279 patents)
3. Fujinon Corporation (2 from 695 patents)
4. Somar Corporation (2 from 210 patents)
5. Fujifilm Corporation (1 from 16,082 patents)
6. Daiwa Seiko Kabushiki Kaisha (1 from 2 patents)
7. Odp Co., Ltd. (1 from 1 patent)
33 patents:
1. 8454250 - Lens device
2. 7693417 - Optical option attachment ring
3. 7203009 - Lens device
4. 6686967 - Low-angle grip device for an ENG camera
5. 6438890 - Fishing rod of reel mounting type
6. 6308013 - Converter unit of camera
7. D436646 - Reel seat for fishing rod
8. 6176286 - Film applying apparatus
9. 6136142 - Film applying apparatus
10. 6105302 - Fishing rod having improved gripping portion
11. D418194 - Reel seat for fishing rod
12. 5991038 - Surface pattern unevenness detecting method and apparatus
13. D403045 - Reel seat for fishing rod
14. D403044 - Reel seat for fishing rod
15. 5751353 - Switching apparatus for TV lens unit switching