JAPAN CARLIT CO., LTD.
40Patents
1Active
40Granted
37Portfolio score
Filing activity: Oct 7, 1974 → Oct 20, 2006 · 1 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US3977132A | Process for manufacturing high strength Al.sub.2 O.sub.3 -ZRO.sub.3 alloy grains | Chemistry; Metallurgy | 94 | Expired |
| US4780796A | Solid electrolytic capacitor | Emerging Cross-Sectional Technologies | 81 | Expired |
| US4456510A | Process for manufacturing chlorine dioxide | Chemistry; Metallurgy | 32 | Expired |
| US5119274A | Solid capacitor | Emerging Cross-Sectional Technologies | 30 | Expired |
| US4495048A | Apparatus for electrolysis of saline water | Chemistry; Metallurgy | 29 | Expired |
| US4432856A | Apparatus for manufacturing chlorine dioxide | Chemistry; Metallurgy | 22 | Expired |
| US4829028A | Process for producing an alumina-zirconia composite sintered material | Chemistry; Metallurgy | 16 | Expired |
| US4421730A | Process for manufacturing highly pure chlorine dioxide | Chemistry; Metallurgy | 16 | Expired |
| US4415411A | Anode coated with .beta.-lead dioxide and method of producing same | Chemistry; Metallurgy | 15 | Expired |
| US5231523A | Liquid crystal elements and conductive organic compound film-forming compositions | Electricity | 11 | Expired |
| US4270925A | Method and apparatus for automatically determining chlorine and chlorine dioxide concentrations | Emerging Cross-Sectional Technologies | 11 | Expired |
| US4051229A | Process for manufacturing chlorine dioxide | Chemistry; Metallurgy | 10 | Expired |
| US7411777B2 | Electrolytic solution for electric double layer capacitor and electric double layer capacitor | Emerging Cross-Sectional Technologies | 10 | Expired |
| US7656645B2 | Electrolytic solution for electric double layer capacitor and electric double layer capacitor | Emerging Cross-Sectional Technologies | 9 | Expired |
| US4170672A | Process for coating paper with a water soluble thermosetting resin | Emerging Cross-Sectional Technologies | 9 | Expired |
| US5604281A | Ultraviolet-and infrared-ray absorbing polymer composition | Chemistry; Metallurgy | 8 | Expired |
| US4002470A | Process for recovering ruthenium | Emerging Cross-Sectional Technologies | 8 | Expired |
| US4046655A | Process for electrolytically purifying a photographic developer waste solution | Chemistry; Metallurgy | 7 | Expired |
| US4169134A | Manufacturing chlorine dioxide with thallium and silver or palladium catalysts | Chemistry; Metallurgy | 7 | Expired |
| US5061665A | Process for producing an improved alumina-zirconia composite sintered material | Chemistry; Metallurgy | 7 | Expired |
| US4376099A | Process for recovering Cr(VI) ions from a chlorate cell liquor | Emerging Cross-Sectional Technologies | 6 | Expired |
| US4479864A | Anode for electrolysis of seawater | Chemistry; Metallurgy | 6 | Expired |
| US4465509A | Urea compounds and herbicidal compositions containing them | Human Necessities | 6 | Expired |
| US5766445A | Method for producing a nitrogen-atom containing carbonaceous material | Emerging Cross-Sectional Technologies | 5 | Expired |
| US4154810A | Manufacture of chlorine dioxide by reduction of a specified chlorate | Chemistry; Metallurgy | 5 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.