Average Co-Inventor Count = 2.90
ph-index = 11
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. Asahi Kogaku Kogyo Kabushiki Kaisha (13 from 3,132 patents)
2. Pentax Corporation (12 from 1,056 patents)
3. Hoya Corporation (4 from 2,532 patents)
4. Asahi Kogaku Kogyo K.k. (1 from 176 patents)
5. Asahi Optical Co., Ltd. (1 from 7 patents)
31 patents:
1. 8120693 - Imaging unit and mobile electronic device
2. 8107004 - Imaging device
3. 8098320 - Imaging device
4. 7656432 - Method and apparatus for photographing moving object
5. 7268801 - Digital-camera-provided binoculars
6. 7218384 - Surveying system
7. 7098997 - Surveying system
8. 7075634 - Surveying system
9. 6937391 - Optical viewer instrument with photographing function
10. 6927906 - Binocular telescope with photographing function
11. 6914636 - Optical viewer instrument with photographing function
12. 6771434 - Optical device
13. 6717683 - Target for photogrammetric analytical measurement system
14. 6628803 - Device for calculating positional data of standard points of photogrammetric target
15. 6600511 - Camera for use in photogrammetric analytical measurement