Average Co-Inventor Count = 2.40
ph-index = 5
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. Other (2 from 832,761 patents)
2. Casio Computer Co., Ltd. (2 from 5,223 patents)
3. Misawa Homes Co., Ltd. (2 from 26 patents)
5 patents:
1. 6356258 - Keypad
2. 6295052 - Screen display key input unit
3. 5861821 - Keyboard-type input apparatus
4. 5547076 - Packaging structure
5. 5442602 - Wristwatch case with shock absorbing members on the rear side thereof