| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Switzerland | 5 | |
| #2 | Germany | 5 | |
| #3 | France | 1 | |
| #4 | United Kingdom | 1 | |
| #5 | Italy | 1 | |
| #6 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Textiles and paper | |
| #2 | Mechanical elements |
| # | Name | Total Patents |
|---|---|---|
| #1 | Kitamura Shinzo | 7 |
| #2 | Shinzo Kitamura | 3 |
| #3 | Arita Isao | 2 |
| #4 | Maede Fumitaka | 2 |
| Publication | Filing date | Title |
|---|---|---|
| CH645593A5 | Threadbreak detector. | |
| DE2919836A1 | piezoelectric yarn break detector - removably mounted in lappet in slots with electric connecting leads in slots | |
| US4111381A | Suspension system of bobbin hanger | |
| GB1199785A | An Improved Bobbin Hanger |