Average Co-Inventor Count = 1.41
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. Kabushiki Kaisha Kawai Gakki Seisakusho (2 from 455 patents)
2. Suzuki Motor Corporation (1 from 1,418 patents)
3. Kawai Musical Instruments Manufacturing Co., Ltd. (1 from 25 patents)
4 patents:
1. 9305524 - Electronic musical instrument
2. 9240171 - Electronic musical instrument
3. 9218798 - Voice assist device and program in electronic musical instrument
4. 6984158 - Cooling water pump device for outboard motor