Nippon Telegraph And Telephone Corporation Patent Portfolio Statistics

Nippon Telegraph And Telephone Corporation

Profile Summary

This article summarizes the perfomance of the assignee in the recent years. The overall statistics for this portfolio help to analyze the areas where the assignee is performing well. The filing trend, perfomance across the tech centers and the perfomance of the recent applications has been mentioned below. All the stats are calculated based on the perfomance in USPTO.

How does the overall patent portfolio of Nippon Telegraph And Telephone Corporation look like?

Total Applications: 3,637
Granted Patents: 1,890
Grant Index 92.6 %
Abandoned/Rejected Applications: 151 (7.4%)
In-Process Applications: 1,585
Average Grant Time: 2.82 Years
Average Office Actions: 1.44

Which Technology Area Nippon Telegraph And Telephone Corporation is filing most patents in? (Last 10 years)

Art Unit Definition Total Applications
Opap Parked GAU 846
2874 Optics 210
2636 Digital and Optical Communications 119
2883 Optics 99
2637 Digital and Optical Communications 77

How many patents are Nippon Telegraph And Telephone Corporation filing every year?

Year Total Applications
2022 8*
2021 1008*
2020 695
2019 144
2018 137

*The drop in the number of applications filed in last two years compared to previous years is because applications can take up to 18 months to get published

Recently filed patent applications of Nippon Telegraph And Telephone Corporation in USPTO?

Publication number:
Application number: 17/431,332

Abstract:
None

Publication date:
Applicant: Nippon Telegraph And Telephone Corporation
Inventors: Takeuchi Yosuke


Publication number:
Application number: 17/276,980

Abstract:
None

Publication date:
Applicant: Nippon Telegraph And Telephone Corporation
Inventors: Kimihiro Mizutani


Publication number:
Application number: 17/423,392

Abstract:
None

Publication date:
Applicant: Nippon Telegraph And Telephone Corporation
Inventors: Iwata Mikayo


How are Nippon Telegraph And Telephone Corporation’s applications performing in USPTO?

Application Number Title Status Art Unit Examiner
17/431,332 Corrosion Prevention Device
17/276,980 Personal Information Protection Device, Personal Information Protection Method And Program Sent to Classification contractor
17/423,392 Cellulose Nanofiber Carbon And Method For Producing Same Sent to Classification contractor OPAP Central, Docket
17/607,088 Rehabilitation Support System And Rehabilitation Support Method Sent to Classification contractor
17/281,203 Malfunction Point Estimation Method And Malfunction Point Estimation Apparatus Docketed New Case – Ready for Examination OPAP Central, Docket