Average Co-Inventor Count = 2.30
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. Tomoegawa Paper Co., Inc. (4 from 209 patents)
2. Yamaha Hatsudoki Kabushiki Kaisha (3 from 4,232 patents)
3. Tomoegawa Co., Ltd. (2 from 56 patents)
9 patents:
1. 11827304 - Leaning vehicle
2. 10435103 - Leaning vehicle
3. 9969454 - Vehicle
4. 9467760 - Microphone device, microphone unit, microphone structure, and electronic equipment using these
5. 9218800 - Sound transmission material, sound control plane structure including building use using the sound transmission material, windscreen for microphone, protective grille, sound transmission projection screen, and speaker
6. 6764797 - Toner for MICR
7. 5290652 - Developing compositions for electrophotography
8. 5266458 - Electrophotographic developer comprising silicon oil on its surface
9. 5248581 - Toner for electrophotography