Chuzo Kato
13Patents
6h-index
15Co-inventors
63Inventor score
Filing activity: Jul 2, 1974 → Feb 7, 1994
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4735987A | Method for manufacture of high-expansion type absorbent polymer | Performing Operations; Transporting | 52 | Expired |
| US4875762A | Photochromic-electrochromic intercalation compound | Physics | 34 | Expired |
| US5028351A | Process for preparing organic smectite by solid-solid reaction | Chemistry; Metallurgy | 26 | Expired |
| US3950180A | Coloring composites | Chemistry; Metallurgy | 22 | Expired |
| US5508081A | Porous material composed of layered silica and metal oxide and a process for manufacturing the same | Emerging Cross-Sectional Technologies | 15 | Expired |
| US4652436A | Preparation of nitride and carbide from inorganic-organic polymer complex | Chemistry; Metallurgy | 7 | Expired |
| US5041475A | Method for production of inclusion water for hardening gypsum, method for production of shaped article of gypsum, and shaped article of gypsum | Chemistry; Metallurgy | 6 | Expired |
| US5707598A | Porous material composed of layered silica and metal oxide and a process for manufacturing the same | Emerging Cross-Sectional Technologies | 5 | Expired |
| US4988390A | Method for production of inclusion water for hardening gypsum, method for production of shaped article of gypsum, and shaped article of gypsum | Chemistry; Metallurgy | 4 | Expired |
| US5326819A | Water absorbent polymer keeping absorbed water therein in the form of independent grains | Emerging Cross-Sectional Technologies | 4 | Expired |
| US5093410A | Method for production of inclusion water for hardening gypsum, method for production of shaped article of gypsum, and shaped article of gypsum | Chemistry; Metallurgy | 3 | Expired |
| US5092933A | Method for the production of concrete/mortar by using dry clathrate water and concrete/mortar products produced thereby | Chemistry; Metallurgy | 3 | Expired |
| US5164428A | Method for the production of fine grain ice and dry clathrate water for manufacturing of concrete/mortar, a method for the production of concrete/mortar by using fine grain ice or dry clathrate water and concrete/mortar products manufactured thereby | Chemistry; Metallurgy | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.