Average Co-Inventor Count = 1.33
ph-index = 4
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. Sanshin Kogyo Kabushiki Kaisha (4 from 1,061 patents)
4 patents:
1. 4931027 - Tilting device for outboard engine
2. 4698037 - Protective cowling arrangement for outboard motor
3. 4606314 - Ignition angle advancer for internal combustion engine
4. 4587935 - Outboard motor with engine tachometer