Nobuo Kanda
19Patents
6h-index
26Co-inventors
62Inventor score
Filing activity: Feb 17, 1983 → May 26, 1992
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4656364A | Antenna switching circuit for a diversity receiving system and branching circuit with a signal attenuation operation | Electricity | 16 | Expired |
| US4536220A | Fluoran derivatives as new compounds and recording system utilizing the same as colorless chromogenic material | Chemistry; Metallurgy | 12 | Expired |
| US4704379A | Pressure sensitive manifold sheet | Performing Operations; Transporting | 11 | Expired |
| US4658276A | Phthalide derivatives and recording system utilizing the same | Chemistry; Metallurgy | 8 | Expired |
| US4803193A | Heat-sensitive recording material using chromeno compound | Emerging Cross-Sectional Technologies | 8 | Expired |
| US4641160A | Recording system utilizing phthalide derivatives as colorless chromogenic material | Performing Operations; Transporting | 7 | Expired |
| US4580153A | Record material | Performing Operations; Transporting | 5 | Expired |
| US4748148A | Recording system utilizing phthalide derivatives as colorless chromogenic material | Performing Operations; Transporting | 5 | Expired |
| US4770973A | Heat-sensitive diazo recording material with diphenyl alkene coupler | Physics | 5 | Expired |
| US4730057A | Phthalide derivatives useful as colorless chromogenic material | Chemistry; Metallurgy | 4 | Expired |
| US4524373A | Fluoran derivatives as new compounds, process for preparing the same and recording system utilizing the same as colorless chromogenic material | Performing Operations; Transporting | 4 | Expired |
| US5017545A | Heat sensitive recording material | Performing Operations; Transporting | 4 | Expired |
| US5296440A | Heat-sensitive recording medium | Performing Operations; Transporting | 3 | Expired |
| US4761396A | Heat-sensitive recording material | Performing Operations; Transporting | 3 | Expired |
| US4731353A | Heat-sensitive recording material | Performing Operations; Transporting | 2 | Expired |
| US5110786A | Heat-sensitive recording material | Performing Operations; Transporting | 1 | Expired |
| US4691357A | Stereophonic receiving circuit providing improved switching characteristics between stereophonic and monaural modes | Electricity | 1 | Expired |
| US4794101A | Heat-sensitive recording material | Emerging Cross-Sectional Technologies | 0 | Expired |
| US4898941A | Process for preparing diphenylalkene derivatives | Chemistry; Metallurgy | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.