Average Co-Inventor Count = 3.53
ph-index = 3
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 Sankyo Seiki Seisakusho (3 from 307 patents)
2. Sankyo Seiki Mfg. Co., Ltd (1 from 264 patents)
3. K.k. Sankto Seiki Seisakusho (1 from 1 patent)
5 patents:
1. 6036089 - Automatic transaction apparatus
2. 5024088 - Electromagnetic accelerometer
3. 4945437 - Magnetic head mechanism for reversing head orientation and moving head
4. 4802040 - Disk-type recording and reproducing apparatus
5. 4648001 - Recording and reproducing disk cassette with improved, slidable shutter