Toshiaki Hamaguchi
20Patents
3h-index
14Co-inventors
60Inventor score
Filing activity: Apr 13, 1984 → Feb 26, 2018
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US9573371B2 | Head and liquid ejecting apparatus | Performing Operations; Transporting | 3 | Active |
| US9705066B2 | Head and liquid ejecting apparatus | Electricity | 3 | Active |
| US4547545A | High density information record made of a conductive resin composition comprising a specific type of dimethylpolysiloxane | Electricity | 3 | Expired |
| US4776935A | High density record including carbon black particles purified by electrolysis | Chemistry; Metallurgy | 2 | Expired |
| US4592862A | Conductive resin composition and information record | Chemistry; Metallurgy | 2 | Expired |
| US4548739A | High density information records made of conductive resin compositions comprising a specifically-treated vinyl chloride-base resin | Physics | 2 | Expired |
| US10150294B2 | Inkjet head and inkjet printer | Performing Operations; Transporting | 1 | Active |
| US9914300B2 | Head and liquid ejecting apparatus with electrically connecting bumps | Performing Operations; Transporting | 1 | Active |
| US9919522B2 | MEMS device, liquid ejecting head, liquid ejecting apparatus, manufacturing method of MEMS device, and manufacturing method of liquid ejecting head | Performing Operations; Transporting | 0 | Active |
| US9527283B2 | Liquid ejection head and liquid ejection apparatus | Performing Operations; Transporting | 0 | Active |
| US10059102B2 | Inkjet head and inkjet printer | Performing Operations; Transporting | 0 | Active |
| US10272686B2 | MEMS device, liquid ejecting head, manufacturing method of MEMS device, and manufacturing method of liquid ejecting head | Performing Operations; Transporting | 0 | Active |
| US9944077B2 | MEMS device, liquid ejecting head, liquid ejecting apparatus, manufacturing method of MEMS device, and manufacturing method of liquid ejecting head | Performing Operations; Transporting | 0 | Active |
| US4631717A | High density information records of an electrostatic capacitance type | Emerging Cross-Sectional Technologies | 0 | Expired |
| US4639908A | High density information records made of conductive resin compositions comprising inorganic power stabilizers | Chemistry; Metallurgy | 0 | Expired |
| US10121957B2 | Method for manufacturing a liquid discharging head or portion thereof | Performing Operations; Transporting | 0 | Active |
| US10011113B2 | Manufacturing method of head | Emerging Cross-Sectional Technologies | 0 | Active |
| US10449764B2 | MEMS device, liquid ejecting head, liquid ejecting apparatus, manufacturing method of MEMS device, and manufacturing method of liquid ejecting head | Performing Operations; Transporting | 0 | Active |
| US4646284A | High density information record medium using carbon black particles surface-treated with silicone oil | Physics | 0 | Expired |
| US4906499A | High density information record medium comprising a polymer material having a lubricant uniformly dispersed therein | Physics | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.