Hiroyuki Sumi
34Patents
8h-index
27Co-inventors
75Inventor score
Filing activity: Jun 27, 1983 → Oct 16, 2023
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6582789B1 | Surface protective film and laminate formed therefrom | Emerging Cross-Sectional Technologies | 42 | Expired |
| US9463980B2 | Method for manufacturing coke | Chemistry; Metallurgy | 39 | Active |
| USD584346S1 | Printer | General | 22 | Expired |
| US4568545A | Thrombolytic agent | Human Necessities | 21 | Expired |
| USD689037S1 | Interphone with a TV monitor | General | 20 | Active |
| US6057041A | Polyester releasing film containing a silicone resin layer | Emerging Cross-Sectional Technologies | 15 | Expired |
| USD576670S1 | Printer | General | 10 | Expired |
| US6333117A | Releasing film comprising a polyester film and a cured silicone resin layer | Emerging Cross-Sectional Technologies | 8 | Expired |
| USD708247S1 | Wireless camera | General | 8 | Active |
| US6309730A | Releasing film | Emerging Cross-Sectional Technologies | 6 | Expired |
| US6159595A | Release film | Emerging Cross-Sectional Technologies | 5 | Expired |
| US8137701B2 | Method of producing a dry earthworm powder | Human Necessities | 3 | Active |
| US6677141B2 | Edible compositions of Bacillus subtilis natto cells containing water-soluble vitamin K | Chemistry; Metallurgy | 3 | Expired |
| US9340740B2 | Method for evaluating thermal plasticity of coals and caking additives, and method for producing coke | Physics | 3 | Active |
| US10144891B2 | Method for preparing coal mixture for cokemaking, coal mixture, and method for producing coke | Physics | 3 | Active |
| US8394417B2 | Method of producing a dry earthworm powder | Human Necessities | 3 | Active |
| US9850441B2 | Method for blending coals, and method for producing coke | Chemistry; Metallurgy | 3 | Active |
| US8754171B2 | Polyester composition | Emerging Cross-Sectional Technologies | 2 | Active |
| US6420145B1 | Yunnan SL-001 strain | Chemistry; Metallurgy | 2 | Expired |
| US7485675B2 | Colored thermoplastic resin compositions for laser welding, specific neutral anthraquinone dyes as colorants therefor, and molded product therefrom | Performing Operations; Transporting | 1 | Active |
| US9708558B2 | Method for preparing coal for coke making | Physics | 1 | Active |
| US9364921B2 | Method of manufacturing laser welded steel pipe | Performing Operations; Transporting | 1 | Active |
| US9266195B2 | Laser welding method | Performing Operations; Transporting | 1 | Active |
| US9102892B2 | Method for preparing coal for coke making | Chemistry; Metallurgy | 1 | Active |
| US6677143B2 | Method for culturing Bacillus subtilis natto to produce water-soluble vitamin K and food product, beverage, or feed containing the cultured microorganism or the vitamin K derivative | Chemistry; Metallurgy | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.