Average Co-Inventor Count = 1.60
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. Alps Electric Co., Ltd. (3 from 4,048 patents)
2. Alps Alpine Co., Ltd. (1 from 556 patents)
4 patents:
1. 11577692 - Engine starting device and method for manufacturing the same
2. 9562507 - Engine start switch
3. 9437920 - Push-button switch
4. 9214296 - Waterproof structure and switch device including waterproof structure