Average Co-Inventor Count = 2.36
ph-index = 12
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. Canon Kabushiki Kaisha (24 from 90,594 patents)
2. Rheon Automatic Machinery Co., Ltd. (5 from 188 patents)
3. Other (1 from 832,680 patents)
4. Victor Company of Japan, Limited (1 from 2,887 patents)
5. Dowa Mining Co., Ltd. (1 from 217 patents)
6. Nippon Steel Sumitomo Metal Corporation (1,101 patents)
32 patents:
1. 11116226 - Shutter piece
2. 10182576 - Shutter piece and food shaping device
3. 9481595 - Method of producing optical element forming mold and optical element forming mold
4. 7153119 - Apparatus for extruding food dough
5. 6443055 - Apparatus for producing food products in two layers
6. 5831760 - Electrochromic device
7. 5777779 - Electrochromic device and method for manufacturing the same
8. 5777780 - Electrochromic device and method for manufacturing the same
9. 5532871 - Two-wavelength antireflection film
10. 5338170 - Device for charging fillings
11. 4999217 - Process for producing magnetic recording medium
12. 4923766 - Process for preparing magnetic recording
13. 4824708 - Process for producing magnetic recording medium
14. 4670799 - Erasing apparatus
15. 4553823 - Large relative aperture objective lens