| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Republic of Korea | 38 |
| # | Industry | |
|---|---|---|
| #1 | Textiles and paper | |
| #2 | Mechanical elements | |
| #3 | Basic materials chemistry | |
| #4 | Electrical machinery and energy | |
| #5 | Machine tools | |
| #6 | Agriculture |
| # | Technology | |
|---|---|---|
| #1 | Sewing | |
| #2 | Special sewing techniques | |
| #3 | Lubricating | |
| #4 | Horticulture | |
| #5 | Special lubricating compositions | |
| #6 | Magnets and transformers | |
| #7 | Cutting | |
| #8 | Lubricating compositions | |
| #9 | Pistons and sealings |
| # | Name | Total Patents |
|---|---|---|
| #1 | Hayashida Takayuki | 6 |
| #2 | Kinoshita Ryuichiro | 4 |
| #3 | Yokoyama Ryuichi | 4 |
| #4 | Iyanaga Akio | 3 |
| #5 | Hatakenaka Kazuhiro | 3 |
| #6 | Kanegawa Yasuo | 3 |
| #7 | Shimizu Yoshihide | 3 |
| #8 | Iba Takashi | 3 |
| #9 | Yokoyama Ruichi | 2 |
| #10 | Nakata Norio | 2 |
| Publication | Filing date | Title |
|---|---|---|
| KR20100100609A | Double chain stitch sewing machine having box-shaped bed | |
| KR20060030284A | Needle receiving device of sewing machine |