Average Co-Inventor Count = 7.69
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. Seiko Epson Corporation (5 from 33,436 patents)
2. King Jim Co., Ltd. (4 from 168 patents)
3. Seiko Epson Corporation and King Jim Co., Ltd. (2 from 5 patents)
7 patents:
1. 6152624 - Stamp-making apparatus, as well as function changeover mechanism,
2. 6062749 - Dial input device
3. 6025051 - Plate-making strip and a plate making-strip group, as well as a printer
4. 6016749 - Stamp-making apparatus, as well as function changeover mechanism,
5. 6006661 - Stamp-making apparatus, as well as function changeover mechanism,
6. 5934191 - Electronic apparatus
7. 5779373 - Ribbon cartridge device for electronic equipment