Average Co-Inventor Count = 3.20
ph-index = 3
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. Nippon Petrochemicals Company, Limited (3 from 327 patents)
2. Sumitomo Chemical Company, Limited (1 from 6,896 patents)
3. Agency of Industrial Science and Technology (1 from 1,037 patents)
4. Director-general of Agency of Industrial Science and Technology (1 from 232 patents)
5. Japan As Represented by Director General of Agency of Industrial Science (1 from 73 patents)
6. Japan (agency of Industrial Science and Technology) (1 from 1 patent)
4 patents:
1. 5266362 - Surface treating and coating method for molded articles
2. 5240973 - Surface activating method for thermoplastic resin molded articles
3. 5190704 - Surface treating method for thermoplastic resin molded articles
4. 5132131 - Method of treating surface of molded article of thermoplastic elastomer