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. Canon Kabushiki Kaisha (4 from 90,753 patents)
2. Seikosha Co., Ltd. (3 from 696 patents)
7 patents:
1. 6415118 - Image forming apparatus with inclined guide for sheet material
2. 5537376 - Disk cartridge loading mechanism
3. 5386406 - Cartridge shutter opening device
4. 5297116 - Optical information recording/reproduction apparatus which cools
5. D327449 - Clock movement
6. D326062 - Clock movement
7. 4821249 - Timepiece movement