1. Home
  2. Hitachi, Ltd Patent Portfolio Statistics

Hitachi, Ltd Patent Portfolio Statistics

Hitachi, Ltd

Hitachi, Ltd`s Profile

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 Hitachi, Ltd look like?

Total Applications: 488
Granted Patents: 364
Grant Index 75.68 %
Abandoned/Rejected Applications: 117 (24.32%)
In-Process Applications: 7
Average Grant Time: 3.11 Years
Average Office Actions: 1.45

Which Technology Area Hitachi, Ltd is filing most patents in? (Last 10 years)

Art Unit Definition Total Applications
2818 Semiconductors/Memory 13
2881 Optics 12
2187 Computer Architecture and I/O 9
2627 Selective Visual Display Systems 8
2113 Computer Error Control, Reliability, & Control Systems 7

How many patents are Hitachi, Ltd filing every year?

Year Total Applications
2022 0*
2021 5*
2020 5
2019 0
2018 1

*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 Hitachi, Ltd in USPTO?

Publication number:

Abstract:
None

Publication date:
Applicant: Hitachi, Ltd
Inventors: Hirofumi Inomata


Publication number:

Abstract:
None

Publication date:
Applicant: Hitachi, Ltd
Inventors: Akira Kotabe


Publication number: US20220027246A1

Abstract:
A storage system includes a plurality of storage nodes. The storage node includes: one or more storage devices which respectively provide a storage area; and one or more control software which read/write requested data from/into the corresponding storage device according to a request from a higher-level device, wherein each of the control software retains predetermined configuration information required for reading/writing requested data from/into the corresponding storage device according to a request from the higher-level device, wherein a plurality of the control software are managed as a redundancy group, and the configuration information retained in each of the control software belonging to the same redundancy group is synchronously updated, and wherein the plurality of control software configuring the redundancy group are each deployed in respectively different storage nodes so as to distribute a load of each of the storage nodes.

Publication date: 2022-01-27
Applicant: Hitachi, Ltd
Inventors: Hideo Saito


How are Hitachi, Ltd’s applications performing in USPTO?

Application Number Title Status Art Unit Examiner
17420075 Database Management Service Provision System Application Undergoing Preexam Processing
17285403 Electronic Circuit And Sensor System Sent to Classification contractor OPAP Central, Docket
17496980 Storage System And Control Software Deployment Method OPAP Central, Docket
17497092 Storage System OPAP Central, Docket
17495941 Storage System And Storage Management Method OPAP Central, Docket