Yukio Ichikawa
21Patents
8h-index
21Co-inventors
75Inventor score
Filing activity: Mar 5, 1986 → Sep 21, 2011
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4699975A | Process for producing readily crystallizable arylenesulfide resin composition containing organic acid or anhydride | Chemistry; Metallurgy | 52 | Expired |
| US4935473A | Polyphenylene sulfide composition and method of producing the same | Chemistry; Metallurgy | 22 | Expired |
| US4820759A | Polyarylene thiother composition | Chemistry; Metallurgy | 21 | Expired |
| US5380783A | Poly(arylene sulfide) resin composition | Chemistry; Metallurgy | 20 | Expired |
| US4837294A | Polyarylene thioether composition containing polyarylene ether nucleating agent | Chemistry; Metallurgy | 11 | Expired |
| US6372388B1 | Vinylidene fluoride copolymer for gel-form solid electrolyte formation, solid electrolyte, and battery | Emerging Cross-Sectional Technologies | 11 | Expired |
| US4746536A | Method for selective chemical plating | Electricity | 9 | Expired |
| US4895893A | Heat-resistant resin compositions, and heat-resistant molded or formed articles and production process thereof | Chemistry; Metallurgy | 9 | Expired |
| US4868240A | Polyarylene thioether of high crystallizing rate and a process for producing the same | Chemistry; Metallurgy | 7 | Expired |
| US5342654A | Surface roughening of resin molded articles for metallizing | Electricity | 7 | Expired |
| US6824927B1 | Polymer electrolyte containing a vinylidene fluoride copolymer and a nonaqueous electrolytic solution, and nonaqueous battery containing the polymer electrolyte | Emerging Cross-Sectional Technologies | 5 | Expired |
| US5326593A | Surface roughening of resin molded articles for metallizing | Electricity | 2 | Expired |
| US5085819A | Heat-resistant resin compositions, and heat-resistant molded or formed articles and production process thereof | Chemistry; Metallurgy | 2 | Expired |
| US6054503A | Plastic lens material and process for preparing the same | Physics | 2 | Expired |
| US5187257A | Thermoformed polyarylene sulfide container | Performing Operations; Transporting | 1 | Expired |
| US5380819A | Resin composition including poly(arylene thioether) and polyamide | Chemistry; Metallurgy | 1 | Expired |
| US8574770B2 | Vinylidene fluoride copolymer-based polymer electrolyte for nonaqueous battery retaining large proportion of electrolytic solution | Emerging Cross-Sectional Technologies | 0 | Active |
| US4859734A | Composition of polyarylene thioether | Chemistry; Metallurgy | 0 | Expired |
| US5554723A | Process for production of poly(arylene thioether) containing phthalic anhydride groups | Chemistry; Metallurgy | 0 | Expired |
| US8043386B2 | Process for producing polymer electrolyte | Emerging Cross-Sectional Technologies | 0 | Active |
| US7452387B2 | Process for producing a polymer electrolyte of a vinylidene fluoride copolymer for a nonaqueous battery | Emerging Cross-Sectional Technologies | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.