Average Co-Inventor Count = 1.04
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. Yoshida Kogyo K.k. (11 from 1,145 patents)
2. Nippon Notion Kogyo Co., Ltd. (2 from 44 patents)
13 patents:
1. 5060839 - Stroke adjustment apparatus for light projector of button setting machine
2. 5031815 - Button feeder for button applicator
3. 4840301 - Fastener conveying apparatus for fastener assembling machine
4. 4717061 - Button feeder for button applicator
5. 4650104 - Positioning device for button setting machines
6. 4571806 - Apparatus for assembling buttons
7. 4493448 - Apparatus for orienting and placing a button for attachment to a garment
8. 4485541 - Fastener applying apparatus
9. 4436238 - Apparatus for attaching fastener elements onto a garment
10. 4434928 - Tape feeding device for stapling machines
11. 4427146 - Button orienting and placing apparatus
12. 4420071 - Safety device for machine having forceful reciprocation
13. 4217685 - Method of and apparatus for attaching top stops to a slide fastener chain