Average Co-Inventor Count = 1.33
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. Tomy Kogyo Co., Ltd. (5 from 376 patents)
2. Tomy Incorporated (1 from 35 patents)
6 patents:
1. 4693694 - Toy with moving screen
2. 4619625 - Construction toy
3. 4579538 - Construction toy
4. 4573928 - Teaching toy
5. 4402158 - Toy employing governor to control rate of movement of movable member
6. 4156322 - Simulated toy typewriter