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For the Inventor, By the Inventor

Nagoya, Japan

Buffalo Inc.


USPTO Granted Patents = 128


Trademarks = 27

Forward Citations = 539

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79 inventors (with patents filed for the assignee):

goldMedal Takashi Ishidoshiro (22 out of 23 patents)

silverMedal Satoru Goto (13 out of 14 patents)

bronzeMedal Tsukasa Ito (8 out of 8 patents)

4.  Tetsuya Inada (8 out of 8 patents)

5.  Daisuke Yamada (8 out of 10 patents)

6.  Taichi Ejiri (8 out of 8 patents)

7.  Suguru Ishii (7 out of 7 patents)

8.  Kazuki Makuni (5 out of 8 patents)

9.  Shuichiro Azuma (5 out of 9 patents)

10.  Noriaki Sugahara (5 out of 8 patents)

11.  Yoshiteru Tamura (5 out of 5 patents)

12.  Yu Nakase (4 out of 4 patents)

13.  Yukihito Hara (4 out of 4 patents)

14.  Tomoaki Kouyama (4 out of 4 patents)

15.  Yoshikazu Yamagishi (4 out of 4 patents)


Core Competencies:
Storage Device
Information Processing System
Cloud Management Server
Wireless LAN Communication
File Replication System
Device Management System
Magnetic Disk Device
Communication Relay Device
Network System
Electronic Device
Data Management Method
Power Management

128 patents:

1. 12373380 - Storage device, information processing system, and control method (2025-07-29),
2. 12199810 - Network device, control method, and storage medium (2025-01-14),
3. 12189952 - Storage system and device to monitor performance and apply countermeasures to SMR and non-SMR drives (2025-01-07),
4. 11954182 - Cloud management server, cloud system, and recording medium (2024-04-09),
5. 11681612 - Storage apparatus and method that generates preliminary management information including the same content as main management information for identifying physical address of data (2023-06-20),
6. 11461225 - Storage device, control method of storage device, and storage medium (2022-10-04),
7. 11451446 - Device management system, network device, device management method, and computer-readable medium (2022-09-20),
8. 11356239 - Information processing apparatus, network system, and medium (2022-06-07),
9. 11342672 - Antenna device and wireless LAN communication device (2022-05-24),
10. 10958500 - Communication device, operation method, and medium (2021-03-23),
11. 10901953 - Storage system, file replication system, file replication method and non-transitory computer-readable medium (2021-01-26),
12. 10782881 - Storage device for not allowing to write data based on end of life of a disk device (2020-09-22),
13. 10768845 - Storage device and data output method for storage device (2020-09-08),
14. 10657040 - Storage device and data management method of storage device (2020-05-19),
15. 10528360 - Storage device, information processing system, method of activating storage device and program (2020-01-07),
BUFFALO INC. is a global provider of network attached storage (NAS), external hard drives, portable and wireless storage, and other computer peripherals. With a focus on performance, reliability, and innovation, BUFFALO offers industry-leading solutions for home and business users. Their products are designed to enhance data management, security, and productivity, making them an ideal choice for individuals and organizations alike.
This text is generated by artificial intelligence and may not be accurate.

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USPTO Data Jan 1 1976 - Dec 30 2025

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128 Patents

#10 in Nagoya

#938 in Japan

#6,094 in the World

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Nagoya, Japan

Buffalo Inc.

Forward Citations = 539

79 inventors:

goldMedal Takashi Ishidoshiro (22 out of 23 patents)

silverMedal Satoru Goto (13 out of 14 patents)

bronzeMedal Tsukasa Ito (8 out of 8 patents)

4.  Tetsuya Inada (8 out of 8 patents)

5.  Daisuke Yamada (8 out of 10 patents)

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