Average Co-Inventor Count = 5.18
ph-index = 8
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. Toyoda Gosei Co., Ltd. (9 from 3,078 patents)
2. Matsushita Electric Industrial Co., Ltd. (1 from 27,375 patents)
9 patents:
1. 6971758 - Illumination device
2. 6945678 - Illumination device
3. 6851841 - Illumination device
4. 6419306 - Illuminating plate for car
5. 5815072 - Vehicle display device
6. 5198629 - Steering wheel having insert molded membrane switch
7. 4868355 - Steering wheel segmented slip ring and contact pin assembly
8. 4843477 - Vehicle television receiver system
9. 4714806 - Steering wheel with tape switch assembly