Average Co-Inventor Count = 1.07
ph-index = 9
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. Yamaha Hatsudoki Kabushiki Kaisha (4 from 4,233 patents)
2. Nippon Gakki Seizo Kabushiki Kaisha (3 from 841 patents)
3. Epson Corporation (2 from 80 patents)
4. C.i. Kasei Company, Limited (2 from 25 patents)
5. Asahi Glass Company, Limited (1 from 2,560 patents)
6. Kikkoman Corporation (1 from 235 patents)
7. Kikkoman Shoyu Co., Ltd. (1 from 22 patents)
8. Yamagiwa Electric Co. Ltd. (1 from 4 patents)
9. Alfa & Associates, Inc. (1 from 1 patent)
16 patents:
1. D334711 - Combined bottle and cap
2. D282844 - Personal computer
3. D282410 - Box for holding record discs
4. D281322 - Electronic printer
5. 4546898 - Box
6. D275946 - Electric generator
7. D272063 - Digital audio discs player
8. D270531 - Decoder for a digital audio discs player
9. D268028 - Record player
10. 4365713 - Cassette tape case magazine
11. D255558 - Golf car
12. D254366 - Motortricycle
13. D251870 - Adjustable lamp
14. D248450 - Bottle
15. 4086857 - Sectional assembly