| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 10 | |
| #2 | Canada | 1 |
| # | Industry | |
|---|---|---|
| #1 | Mechanical elements | |
| #2 | Machines | |
| #3 | Optics | |
| #4 | Furniture and games |
| # | Technology | |
|---|---|---|
| #1 | Frames | |
| #2 | Nails | |
| #3 | Unspecified technologies | |
| #4 | Physical training equipment | |
| #5 | Cameras |
| # | Name | Total Patents |
|---|---|---|
| #1 | Nakatani Koichiro | 5 |
| #2 | Hayakawa Junichi | 2 |
| #3 | Nakatani Koma | 2 |
| #4 | Hagiwara Sanjiro | 1 |
| #5 | Nakatani Kouichiro | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US5497964A | Stand for golf bag | |
| US5365293A | Panhead of improved operability | |
| US5341185A | Center column friction control system for video tripod | |
| US5083147A | Panhead | |
| US4940203A | Leg pad and spike for tripod | |
| US4932622A | Locking device for tripod leg sections | |
| US5012265A | Panhead | |
| US4596484A | Lock for telescoping tubular support | |
| US4562985A | Pan head |