How many patents does
Hitachi have?
patents
72,928
families
27,254
granted
21,514
applications
51,414
JP
25,289
US
21,106
CN
8,891
EP
7,336
WO
5,642
KR
773
GB
521
RoW
3,370
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The report contains ten-year analysis with the following sections
- patent filing analysis
- worldwide filing analysis
- patent family analysis
- application analysis
- granted analysis
- classification analysis
- citation analysis
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patents
42 million
patent families
23 million
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the following tables are just extracts from the report
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Hitachi
Top ten assignees appearing on patents
2009 - 2018
Hitachi
The top ten patent families are
|
Title of patent family (most common patent title) |
Family members |
Filing year |
|---|---|---|
| recording medium having recorded thereon coded information using plus and/or minus round… 🛈 | 178 | 1997 |
| liquid crystal display device | 49 | 1999 |
| moving picture encoding method | 46 | 2002 |
| tragbares endgerät, informationsverarbeitungsvorrichtung und inhaltsanzeigesystem | 35 | 2007 |
| semiconductor integrated circuit device | 31 | 1999 |
| semiconductor integrated circuit device | 30 | 2001 |
| image encoding apparatus, image encoding method, image decoding apparatus, and image dec… 🛈 | 30 | 2007 |
| electric power conversion apparatus | 29 | 2008 |
| bill deposit/withdrawal machine for depositing/withdrawing bills | 28 | 1998 |
| semiconductor device | 24 | 2001 |