Shimizu Industry Co., Ltd.
14Patents
0Active
14Granted
31Portfolio score
Filing activity: Mar 10, 1986 → Nov 2, 2004
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6047951A | Air passage switching system for air conditioner | Performing Operations; Transporting | 20 | Expired |
| US6071454A | Method for producing a composite molded article of thermoplastic resins | Performing Operations; Transporting | 17 | Expired |
| US5690881A | Manufacturing method of resin damper having foamed resin seal material | Performing Operations; Transporting | 11 | Expired |
| US6412755B2 | Door for changing over air passage | Performing Operations; Transporting | 11 | Expired |
| US4994226A | Method of producing synthetic resin made articles having porous elastic member | Performing Operations; Transporting | 11 | Expired |
| US6193600A | Air passage switching system for air conditioner | Performing Operations; Transporting | 10 | Expired |
| US7090575B2 | Air passage opening and closing device capable of preventing uncomfortable noise | Emerging Cross-Sectional Technologies | 7 | Expired |
| US6001457A | Casing and method for manufacturing the like | Emerging Cross-Sectional Technologies | 5 | Expired |
| US6872348B2 | Manufacturing method of air passage switching door | Performing Operations; Transporting | 4 | Expired |
| US7526360B2 | Method and apparatus for designing molds | Physics | 3 | Expired |
| US4677021A | Air-stream control valve for automotive air conditioning apparatus and producing method therefor | Emerging Cross-Sectional Technologies | 3 | Expired |
| US6676397B2 | Method for manufacturing an air passage switching door | Performing Operations; Transporting | 1 | Expired |
| US6641768B2 | Method for manufacturing an air passage switching door | Performing Operations; Transporting | 1 | Expired |
| US5851633A | Resin-molded product and method of manufacturing the same | Emerging Cross-Sectional Technologies | 0 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.