Yokohama Kiko Co., Ltd.
8Patents
0Active
8Granted
26Portfolio score
Filing activity: Jun 13, 1979 → Dec 20, 2000
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4341841A | Multi-layer coating protective film form | Emerging Cross-Sectional Technologies | 44 | Expired |
| US4340646A | Multi-layer reflectors | Emerging Cross-Sectional Technologies | 30 | Expired |
| US4358507A | Multi-layer reflectors | Emerging Cross-Sectional Technologies | 28 | Expired |
| US6685381B1 | Retaining arrangement for a rod member | Emerging Cross-Sectional Technologies | 15 | Expired |
| US4348463A | Reflector | Emerging Cross-Sectional Technologies | 13 | Expired |
| US4364637A | Highly reflective plastic reflector with crystalline inorganic film coating | Physics | 11 | Expired |
| US4379199A | Heat-resisting layer-constructions and method for preparing the same | Emerging Cross-Sectional Technologies | 1 | Expired |
| US4465711A | Heat-resisting layer-constructions and method for preparing the same | Performing Operations; Transporting | 1 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.