Noboru Sugiyama
11Patents
7h-index
18Co-inventors
63Inventor score
Filing activity: Sep 30, 1974 → Jan 31, 2011
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US3945930A | Water-soluble metal working lubricants | Chemistry; Metallurgy | 36 | Expired |
| US6938667B2 | Automatic wind-up screen device | Fixed Constructions | 21 | Expired |
| US7669634B2 | Sliding roll screen door | Fixed Constructions | 15 | Expired |
| US5517789A | Variable floor height telescopic multi-staged spectator seating system | Fixed Constructions | 14 | Expired |
| US3973008A | Konjac mannan | Human Necessities | 13 | Expired |
| US5271190A | Apparatus for opening and closing covering means for furniture raising/lowering type floor equipment | Human Necessities | 9 | Expired |
| US4014528A | Gas cutting machine | Performing Operations; Transporting | 7 | Expired |
| US5245799A | Apparatus for opening and closing covering means for furniture raising/lowering type floor equipment | Human Necessities | 3 | Expired |
| US5324093A | Apparatus for setting operative attitude of furnitures in furniture raising/lowering type floor equipment | Fixed Constructions | 2 | Expired |
| US5228744A | Apparatus for locking operative position of each furniture on furniture raising/lowering type floor equipment | Human Necessities | 2 | Expired |
| US8298732B2 | Exposure method and method of making a semiconductor device | Electricity | 1 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.