Takahisa Ueda
38Patents
13h-index
37Co-inventors
81Inventor score
Filing activity: Nov 26, 1986 → Nov 6, 2012
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5992857A | Composite gasket | Emerging Cross-Sectional Technologies | 52 | Expired |
| US5134030A | Packing material and packing made of the same | Emerging Cross-Sectional Technologies | 48 | Expired |
| US5240769A | Packing material and packing made of the same | Emerging Cross-Sectional Technologies | 48 | Expired |
| US5765838A | Sealing gasket made of expanded graphite, with opened thin-leaf surface structure | Mechanical Engineering; Lighting; Heating | 38 | Expired |
| US5522603A | Packing rings, method for production of the packing rings, and seal device using the packing rings | Emerging Cross-Sectional Technologies | 33 | Expired |
| US6382633B1 | Shaft seal device using gland packing | Mechanical Engineering; Lighting; Heating | 31 | Expired |
| US4705722A | Gland packing | Emerging Cross-Sectional Technologies | 28 | Expired |
| US5370405A | Packing | Textiles; Paper | 22 | Expired |
| US6027809A | Sealing material made of expanded graphite and a method of producing the same | Emerging Cross-Sectional Technologies | 21 | Expired |
| US5308090A | Spiral wound gasket | Emerging Cross-Sectional Technologies | 19 | Expired |
| US5549306A | Knitting yarn for gland packing and gland packing made of said knitting yarn | Mechanical Engineering; Lighting; Heating | 17 | Expired |
| US5188376A | Gland packing and method of producing same | Mechanical Engineering; Lighting; Heating | 14 | Expired |
| US5628520A | Sealing material made of expanded graphite having opened thin-leaf surface structure | Emerging Cross-Sectional Technologies | 14 | Expired |
| US5605341A | Knitting yarn for gland packing and gland packing made from the knitting yarn | Mechanical Engineering; Lighting; Heating | 13 | Expired |
| US6502382B1 | Expanded graphite knitting yarn and a gland packing | Textiles; Paper | 11 | Expired |
| US5803464A | Gland packing | Mechanical Engineering; Lighting; Heating | 11 | Expired |
| US7086650B2 | Gland packing | Textiles; Paper | 10 | Expired |
| US5634645A | Sheet-like gasket with overlapped peripheral portions | Mechanical Engineering; Lighting; Heating | 9 | Expired |
| US7845262B2 | Process and apparatus for producing yarn and gland packing | Textiles; Paper | 8 | Active |
| US5971399A | Dual density sanitary pipe gasket | Mechanical Engineering; Lighting; Heating | 7 | Expired |
| US6644007B2 | Braiding yarn made of expanded graphite | Textiles; Paper | 7 | Expired |
| US5573253A | Packing rings, method for production of the packing rings, and seal device using the packing rings | Emerging Cross-Sectional Technologies | 7 | Expired |
| US5269540A | Metal-covered sealing gasket having a soft, heat resistant, expandable core | Emerging Cross-Sectional Technologies | 7 | Expired |
| US7491446B2 | Annular sliding fluoroplastics member, and method of producing an annular sliding fluoroplastics member | Emerging Cross-Sectional Technologies | 6 | Expired |
| US8382122B2 | Gasket | Mechanical Engineering; Lighting; Heating | 5 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.