Nihon Tengantaku Kenkyusyo Co., Ltd.
10Patents
7Active
10Granted
42Portfolio score
Filing activity: Apr 26, 1979 → May 9, 2012 · 5 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US8118183B2 | Delaminatable laminated bottle | Performing Operations; Transporting | 28 | Active |
| US6708850B2 | Discharging container with a filter and a bottle stopper for use in the container | Human Necessities | 21 | Expired |
| US7867434B2 | Production method for a delaminatable laminated bottle | Performing Operations; Transporting | 12 | Active |
| US8490839B2 | Filtering dispenser container | Performing Operations; Transporting | 6 | Active |
| US7971753B2 | Container with a filter | Human Necessities | 4 | Active |
| US9422100B2 | Filtering discharge container | Performing Operations; Transporting | 2 | Active |
| US4230690A | High-viscosity eye lotions | Human Necessities | 1 | Expired |
| US9788993B2 | Mouth cap for liquid container | Performing Operations; Transporting | 1 | Active |
| US5411993A | Anti-inflammatory, stable aqueous preparation comprising azulene sodium sulfonate and polyhydric alcohol | Human Necessities | 1 | Expired |
| US8207119B2 | Ophthalmological composition | Human Necessities | 0 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.