OPTON Co. LTD.
29Patents
13Active
29Granted
52Portfolio score
Filing activity: Mar 13, 1992 → Dec 27, 2022 · 6 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5335082A | Method and apparatus for using monochrome images to form a color image | Electricity | 29 | Expired |
| US5289261A | Device for measuring a three-dimensional shape of an elongate member | Physics | 22 | Expired |
| US5884517A | Bending device | Performing Operations; Transporting | 17 | Expired |
| US5819574A | Hydraulic device for bending work and a bending device with the hydraulic device mounted thereon | Performing Operations; Transporting | 15 | Expired |
| US6128936A | Bulging device and bulging method | Emerging Cross-Sectional Technologies | 12 | Expired |
| US6237380A | Bending device having a control mechanism for controlling joint-type robots of the bending device | Performing Operations; Transporting | 11 | Expired |
| US6185968A | Bending device and bending method | Performing Operations; Transporting | 10 | Expired |
| US5294993A | Method and apparatus for using monochrome images to form a color image | Physics | 9 | Expired |
| US7159430B2 | Bending device with cutting mechanism | Performing Operations; Transporting | 5 | Expired |
| US6725700B2 | Bending device and control method thereof | Performing Operations; Transporting | 5 | Expired |
| US6189353A | Bending device and bending method | Performing Operations; Transporting | 4 | Expired |
| US6820450B2 | Bending device | Performing Operations; Transporting | 4 | Expired |
| US7275406B2 | Bending device | Performing Operations; Transporting | 3 | Expired |
| US5862698A | Bending device | Performing Operations; Transporting | 3 | Expired |
| US7219527B2 | Mandrel for bending | Performing Operations; Transporting | 3 | Expired |
| US6679091B2 | Stretch bender | Performing Operations; Transporting | 3 | Expired |
| US8056387B2 | Bending device | Performing Operations; Transporting | 2 | Active |
| US8601848B2 | Bending device | Performing Operations; Transporting | 1 | Active |
| US10639693B2 | Bending device | Emerging Cross-Sectional Technologies | 1 | Active |
| US8601847B2 | Bending device | Performing Operations; Transporting | 0 | Active |
| US8756971B2 | Bending device | Performing Operations; Transporting | 0 | Active |
| US12346096B2 | Control program generation apparatus, control program generation method, and program | Emerging Cross-Sectional Technologies | 0 | Active |
| US12210337B2 | Operation control apparatus, operation control method, and program | Physics | 0 | Active |
| US8322187B2 | Bending device | Performing Operations; Transporting | 0 | Active |
| US9138795B2 | Bending device | Performing Operations; Transporting | 0 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.