Katsutoshi Usui
7Patents
4h-index
11Co-inventors
54Inventor score
Filing activity: Feb 21, 1979 → Feb 28, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4311626A | Silicone compositions for the treatment of fibers | Textiles; Paper | 24 | Expired |
| US4228054A | Organopolysiloxane latex compositions | Emerging Cross-Sectional Technologies | 24 | Expired |
| US4399247A | Organopolysiloxane-containing composition for treating substrates | Chemistry; Metallurgy | 23 | Expired |
| US4557887A | Method for producing thin silicone elastomeric films | Chemistry; Metallurgy | 5 | Expired |
| US7724477B2 | Method for correcting floating type magnetic head device | Physics | 0 | Active |
| US11984277B2 | Push switch | Electricity | 0 | Active |
| US11961687B2 | Push switch | Electricity | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.