Junji Hatamura
16Patents
6h-index
13Co-inventors
59Inventor score
Filing activity: Mar 6, 1989 → Nov 7, 2005
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5841838A | Telephone answering unit with caller identification and message recording function | Electricity | 61 | Expired |
| US6547620B1 | Communication apparatus, memory medium and method | Electricity | 18 | Expired |
| US5894507A | Telephone with function for adding and removing regional numbers from telephone numbers to be dialed | Electricity | 13 | Expired |
| US5276509A | Multi-color facsimile apparatus having different data preparation and transmission modes and data preparations and transmission method practiced by the apparatus | Electricity | 12 | Expired |
| US5414528A | Facsimile machine equipped with appendant information adding unit | Electricity | 11 | Expired |
| US5946106A | Facsimile machine with communication management function | Electricity | 8 | Expired |
| US5745257A | Communication device | Electricity | 4 | Expired |
| US6173412A | Apparatus and method for initializing a writeable/nonvolatile memory device | Physics | 3 | Expired |
| US6314173A | Telephone apparatus having a multifunction call-waiting operating portion | Electricity | 2 | Expired |
| US6427004B1 | Communication apparatus | Electricity | 2 | Expired |
| US7012995B2 | Telephone system having message recording function | Electricity | 1 | Expired |
| US6983041B2 | Versatile communication device with a facsimile function and a telephone function | Electricity | 0 | Expired |
| US6339641B1 | Telephone device | Electricity | 0 | Expired |
| US7570745B2 | Telephone system having message recording function | Electricity | 0 | Expired |
| US6636333B1 | Information transmission device | Electricity | 0 | Expired |
| US6944275B2 | Versatile communication device with a facsimile function and a telephone function | Electricity | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.