Average Co-Inventor Count = 1.38
ph-index = 11
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. Yoshida Kogyo K.k. (14 from 1,145 patents)
2. Ykk Corporation (9 from 1,443 patents)
3. Nippon Notion Kogyo Co., Ltd. (2 from 44 patents)
25 patents:
1. 6457213 - Tack for button
2. 6438811 - Male/female engaging device with tape
3. 6182338 - Female-male engaging device with tapes
4. 6058577 - Attachment structure for fastener member to sheet-like object
5. D415716 - Hook-and-eye fastener
6. 5933929 - Snap button and method of attaching the same
7. 5829105 - Coupler for elongate article
8. 5689860 - Coupler for elongate article
9. 5671514 - Swivel hook
10. 5435043 - Female member of snap button and press tool for clinching the same to
11. 5365641 - Cord stopper
12. 5337458 - Cord stopper
13. 5293670 - Tack button
14. 5101541 - Snap button
15. 4967452 - Attaching device for garment fastener element