Average Co-Inventor Count = 5.46
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. (2 from 27,375 patents)
2. Yasukata Iyama (0 patent)
3. Masahiko Kajitani (0 patent)
4. Tadashi Yoshikawa (0 patent)
5. Shuji Sakamoto (0 patent)
6. Soichi Kimura (0 patent)
2 patents:
1. 5197057 - Disc changer with dust cover
2. 4841132 - Program recording scheduling apparatus using an optical reader