Average Co-Inventor Count = 1.48
ph-index = 14
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 (69 from 3,132 patents)
2. Pentax Corporation (20 from 1,056 patents)
3. Zeon Corporation (8 from 1,225 patents)
4. Dai Nippon Printing Co., Ltd. (4 from 3,178 patents)
5. Sumitomo Chemical Company, Limited (3 from 6,878 patents)
6. Asahi Kogaku Kogyo K.k. (3 from 176 patents)
7. Zs Elastomers Co., Ltd. (3 from 5 patents)
8. Hoya Corporation (2 from 2,520 patents)
9. Subaru Corporation (2 from 1,989 patents)
10. Sega Enterprises, Ltd. (2 from 264 patents)
11. Hoya Lens Thailand Ltd. (2 from 133 patents)
12. Kabushiki Kaisha Sega Enterprises (1 from 145 patents)
13. Sega Corporation (1 from 134 patents)
14. Mimiworks Co., Ltd. (1 from 1 patent)
15. Asahi Kogaku Kogya K.k. (1 from 1 patent)
116 patents:
1. 12279821 - Refractive property measurement device, measurement tool, and refractive property measurement method
2. 12245814 - Refraction measuring apparatus
3. 12188872 - Adhesion interface observation method
4. 11873364 - Method for producing conjugated diene rubber
5. 11566094 - Modified conjugated diene rubber
6. 11530287 - Conjugated-diene-based rubber
7. 11407056 - Pierce metal for joining different materials and method of joining different materials using pierce metal
8. 10614276 - Profile information exchange system
9. 10308832 - Hydraulic transfer film and molded product decorated using same
10. 10266613 - Conjugated diene polymer and method of production of conjugated diene polymer
11. 10239983 - Method for production of conjugated diene rubber
12. 9982065 - Method of production of conjugated diene rubber
13. 9868794 - Method for producing conjugated diene rubber
14. 9259908 - Shaping sheet, resin decorative plate and method for manufacturing the same
15. 9120248 - Shaped sheet