| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Taiwan | 6 | |
| #2 | Republic of Korea | 4 | |
| #3 | Germany | 3 | |
| #4 | WIPO (World Intellectual Property Organization) | 3 | |
| #5 | China | 1 | |
| #6 | EPO (European Patent Office) | 1 | |
| #7 | Hong Kong | 1 | |
| #8 | Singapore | 1 |
| # | Industry | |
|---|---|---|
| #1 | Machine tools |
| # | Technology | |
|---|---|---|
| #1 | Grinding or polishing devices |
| # | Name | Total Patents |
|---|---|---|
| #1 | Kojima Hideo | 20 |
| #2 | Fukuzawa Hiroshi | 17 |
| #3 | Otsuki Yoshiyuki | 5 |
| #4 | Otsuki Masayuki | 3 |
| #5 | Jowa Tetsuya | 2 |
| Publication | Filing date | Title |
|---|---|---|
| SG11201810647WA | Spherical lens surface processing method and spherical lens surface processing apparatus with cup-shaped grinding stone | |
| WO2015162789A1 | Lens-centering method for spherical center-type processing machine, lens-processing method, and spherical center-type processing machine | |
| EP2529886A1 | Lens spherical surface grinding method using dish-shaped grindstone | |
| WO2010143234A1 | Lens processing device | |
| TW200936308A | Lens processing device | |
| TW200936307A | Lens processing device | |
| TW200909128A | Lens holding mechanism for lens machining device |