Average Co-Inventor Count = 2.40
ph-index = 1
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. Seiko Epson Corporation (1 from 33,436 patents)
2. Maxell Izumi Co., Ltd. (1 from 15 patents)
3. Izumi Products Company (123 patents)
2 patents:
1. 10913169 - Reciprocating-type electric shaver
2. 10512833 - Presentation method, swing analysis apparatus, swing analysis system, swing analysis program, and recording medium