| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Japan | 26 |
| # | Industry | |
|---|---|---|
| #1 | Machine tools | |
| #2 | Machines | |
| #3 | Mechanical elements | |
| #4 | Medical technology | |
| #5 | Consumer goods |
| # | Name | Total Patents |
|---|---|---|
| #1 | Ko Kohi | 24 |
| #2 | Lo Chi-Jui | 1 |
| #3 | Ho Houfei | 1 |
| #4 | Hu Bobby | 1 |
| #5 | Rin Rika | 1 |
| Publication | Filing date | Title |
|---|---|---|
| JP2012115977A | Reciprocatable open end wrench | |
| JP2002264029A | Reversible ratchet tool equipped with small head and improved drive torque | |
| JP2002054660A | Rachet wheel provided with asymmetrical circular arc recessed teeth or non-circular arc recessed teeth and rachet tool using the same | |
| JP2001225276A | Hook screw driver | |
| JP2000190241A | Tool operation clearance orientation device | |
| JP2000061856A | Tool |