| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Canada | 3 | |
| #2 | EPO (European Patent Office) | 3 | |
| #3 | Japan | 3 | |
| #4 | United States | 3 | |
| #5 | WIPO (World Intellectual Property Organization) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Transport | |
| #2 | Electrical machinery and energy | |
| #3 | Machines |
| # | Name | Total Patents |
|---|---|---|
| #1 | Gottlieb Morton S | 4 |
| #2 | Tsukamoto Yashuhiro | 3 |
| #3 | Yasuhiro Tsukamoto | 2 |
| #4 | Tsukamoto Yasuhiro | 1 |
| #5 | Nogami Masateru | 1 |
| #6 | Tsukamoto Yashuhiro C O Izumi | 1 |
| #7 | Mooton Esu Gotsutoriibu | 1 |
| #8 | Suzuki Hozumi | 1 |
| Publication | Filing date | Title |
|---|---|---|
| JPH03159083A | Method and device for interposing conductor through turning member | |
| US4932285A | Non-rotating hub in steering wheel assembly | |
| JPH01229736A | Plural-switch control system | |
| US4785194A | Multiple switch control system | |
| US4737656A | Multiple switch control system | |
| WO8605452A1 | Steering apparatus |