Average Co-Inventor Count = 3.45
ph-index = 4
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. Sanyo Electric Co., Ltd. (3 from 8,780 patents)
2. Toppan Printing Co., Ltd. (1 from 1,268 patents)
3. Hisamitsu Pharmaceutical Company, Inc. (1 from 375 patents)
4. Kureha Corporation (1 from 327 patents)
5. Okada Shigyo Co., Ltd. (1 from 2 patents)
5 patents:
1. 8248540 - Broadcast signal receiving apparatus
2. 7267858 - Packaging material for and packaged product of medical supplies and the like
3. 6964520 - Packaging bag
4. 6333765 - Television receiver having an AGC circuit to control the gain on a tuner
5. 4933768 - Sound reproducer