Telephone exchange system and telephone exchange apparatus and method, non-transitory computer readable medium storing program
US-11044362-B2 · Jun 22, 2021 · US
Nippon Telegraph And Telephone West Corp patents
Nippon Telegraph And Telephone West Corp holds 11 patents in our database, with recent filings and technology areas summarized below.
| Metric | Value |
|---|---|
| Total patents | 11 |
| Recent patents | 0 |
| First publication | Feb 16, 2017 |
| Latest publication | Jun 22, 2021 |
Filing trend
Year-over-year patent counts for this assignee.
Recent patents
Latest publications where this party is an assignee.
Telephone exchange system and telephone exchange apparatus and method, non-transitory computer readable medium storing program
US-2020322481-A1 · Oct 8, 2020 · US
Incoming call controlling device, incoming call controlling system, and incoming call controlling method
US-10721546-B2 · Jul 21, 2020 · US
Incoming call controlling device, incoming call controlling system, and incoming call controlling method
US-2019394540-A1 · Dec 26, 2019 · US
Telephone switching apparatus and method, and program
US-10165098-B2 · Dec 25, 2018 · US
Notable patents
Representative or frequently cited publications from precomputed assignee stats.
Telephone exchange system and telephone exchange apparatus and method, non-transitory computer readable medium storing program
US-11044362-B2 · Jun 22, 2021 · US
Telephone exchange system and telephone exchange apparatus and method, non-transitory computer readable medium storing program
US-2020322481-A1 · Oct 8, 2020 · US
Incoming call controlling device, incoming call controlling system, and incoming call controlling method
US-10721546-B2 · Jul 21, 2020 · US
Incoming call controlling device, incoming call controlling system, and incoming call controlling method
US-2019394540-A1 · Dec 26, 2019 · US
Telephone switching apparatus and method, and program
US-10165098-B2 · Dec 25, 2018 · US
Technology areas
Mapped technology topics for this assignee.
| Technology | Patents |
|---|---|
| Electricity | 11 |
| Human Necessities | 4 |
| Physics | 2 |
| Cross-Sectional Technologies | 1 |
Frequently asked questions
Answers are generated from the same data shown on this page.
- How many patents does Nippon Telegraph And Telephone West Corp have in patentsdb?
- Nippon Telegraph And Telephone West Corp is linked to 11 publications as assignee in our database.
- What technology areas does Nippon Telegraph And Telephone West Corp patent most?
- Top mapped technology areas by patent count: Electricity (11); Human Necessities (4); Physics (2).
- Is Nippon Telegraph And Telephone West Corp's patent activity growing?
- In our data, assignee counts were 2 in 2020 and 1 in 2021 (lower year over year).
- What are recent patents assigned to Nippon Telegraph And Telephone West Corp?
- See the “Recent patents” section above for the latest 5 publications we attribute to this assignee.