TACHI-S CO., LTD.
585Patents
271Active
585Granted
53Portfolio score
Filing activity: Mar 7, 1986 → May 24, 2023 · 46 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5102189A | Ventilated seat | Emerging Cross-Sectional Technologies | 138 | Expired |
| US5251864A | Suspension device for vehicle seat | Performing Operations; Transporting | 101 | Expired |
| US7530633B2 | Seat back structure of vehicle seat | Performing Operations; Transporting | 93 | Active |
| US5800015A | Long slide rail device for vehicle seat | Performing Operations; Transporting | 86 | Expired |
| US5423593A | Lumbar support device | Performing Operations; Transporting | 72 | Expired |
| US5588703A | Lumbar support device for vehicle seat | Performing Operations; Transporting | 68 | Expired |
| US5044693A | Seat back structure of an automotive seat | Performing Operations; Transporting | 65 | Expired |
| US5215350A | Lumbar support device | Performing Operations; Transporting | 63 | Expired |
| US5145233A | Arrangement of headrest in seat | Performing Operations; Transporting | 62 | Expired |
| US5011225A | Structure of a movable headrest | Performing Operations; Transporting | 58 | Expired |
| US6786544B1 | Seat back structure of vehicle seat | Performing Operations; Transporting | 58 | Expired |
| US4729539A | Seat suspension device | Performing Operations; Transporting | 55 | Expired |
| US5161856A | Reclining device for a seat | Performing Operations; Transporting | 53 | Expired |
| US7159938B1 | Acoustic structure of seat back | Electricity | 52 | Expired |
| US5016941A | Structure of vehicle seat | Emerging Cross-Sectional Technologies | 48 | Expired |
| US4699427A | Vehicle seat | Emerging Cross-Sectional Technologies | 48 | Expired |
| US5076645A | Armrest for vehicle seat | Emerging Cross-Sectional Technologies | 47 | Expired |
| US5254924A | Method and device for controlling motor in powered seat | Performing Operations; Transporting | 46 | Expired |
| US5087098A | Lumbar support device | Human Necessities | 44 | Expired |
| US5711505A | Slide rail device for jump seat | Performing Operations; Transporting | 44 | Expired |
| US4865388A | Headrest for automotive seat | Emerging Cross-Sectional Technologies | 43 | Expired |
| US5104189A | Reclining seat for motor vehicle | Performing Operations; Transporting | 43 | Expired |
| US4946145A | Air suspension device for vehicle seat | Mechanical Engineering; Lighting; Heating | 40 | Expired |
| US4840430A | Automotive seat and method of forming same | Emerging Cross-Sectional Technologies | 40 | Expired |
| US4784434A | Vehicle seat with suspension device | Performing Operations; Transporting | 38 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.