Average Co-Inventor Count = 2.58
ph-index = 2
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. Matsushita Electric Industrial Co., Ltd. (5 from 27,375 patents)
2. Mitsui Toatsu Chemicals, Incorporated (2 from 1,379 patents)
3. Panasonic Corporation (1 from 16,453 patents)
4. Nippon A&l Incorporated (1 from 13 patents)
9 patents:
1. 9556302 - Graft copolymer, thermoplastic resin composition, molded article, and method for producing graft copolymer
2. 8548306 - Audio and video recording and reproduction apparatus for reproducing audio signals having different volume levels
3. 7177531 - Record and playback apparatus and record medium
4. 7106953 - Audio and video recording and reproduction apparatus
5. 6639877 - Information recording and reproducing apparatus, and control method thereof
6. 5768042 - Magnetic recording and reproducing apparatus and method of calculating a
7. 5444580 - Apparatus for recording/reproducing digital data on/from recording medium
8. 5434204 - Colored styrenic resin composition
9. 5151457 - Resin compositions having improved antistatic properties