Mitsutoshi Hayashi
10Patents
4h-index
28Co-inventors
56Inventor score
Filing activity: Jun 20, 1984 → Aug 6, 1999
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5484232A | Method for injecting lubricant and filler in the pipe-jacking method | Fixed Constructions | 22 | Expired |
| US5501548A | Method for controlling the direction of a shield tunneling machine and an apparatus therefor | Fixed Constructions | 18 | Expired |
| US5527135A | Method for injecting lubricant or back-filling material into a space between the outside of double-wall pipes and the ground in the pipe-jacking method and an apparatus therefor | Fixed Constructions | 15 | Expired |
| US4584963A | System for repairing joints in pipes laid underground | Mechanical Engineering; Lighting; Heating | 9 | Expired |
| US4605032A | Air vent device for fuel tank on vehicle | Emerging Cross-Sectional Technologies | 4 | Expired |
| US5615976A | Double walled pipe, jacking method and pipe end structure of leading pipe | Mechanical Engineering; Lighting; Heating | 2 | Expired |
| US6109305A | Double walled pipe, jacking method and pipe end structure of leading pipe | Mechanical Engineering; Lighting; Heating | 2 | Expired |
| US6241925A | Method of lining channels | Performing Operations; Transporting | 0 | Expired |
| US5611979A | Fabrication method for a funnel liner | Fixed Constructions | 0 | Expired |
| US6004073A | Double walled pipe, jacking method and pipe end structure of leading pipe | Mechanical Engineering; Lighting; Heating | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.