Average Co-Inventor Count = 1.13
ph-index = 22
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. Otos Wing. Co., Ltd. (38 from 46 patents)
2. Otos Tech Co., Ltd. (24 from 24 patents)
3. Otos Optical Co., Ltd. (6 from 7 patents)
4. Illinois Tool Works Inc. (4 from 7,595 patents)
5. Other (1 from 832,891 patents)
6. Utos Tech Co., Ltd. (1 from 1 patent)
73 patents:
1. D1094901 - Dust mask
2. D1084525 - Dust mask
3. D1063225 - Protective helmet
4. 12108826 - Facial protection apparatus
5. 12102162 - Method and apparatus for head protection and providing air flow
6. 12064834 - Welding information providing device
7. 12059376 - Protector for welding
8. 11992070 - Face shield systems for securing removable face shield lenses
9. 11931831 - Status alarm mask for welding and method of operating status alarm mask
10. 11911853 - Welding information providing apparatus with function of sensing environment
11. 11786406 - Protector for welding
12. 11771168 - Head band
13. 11759364 - Protector for welding
14. 11577335 - Device and method of controlling welding helmet
15. D967545 - Face shield