Forward Citations = 22

Loading Chart...

6 inventors (with patents filed for the assignee):

Keitaro Yamashita (2 out of 48 patents)

Masumi Asanae (1 out of 42 patents)

Masahisa Ochiai (1 out of 21 patents)

4. Teruo Umehara (1 out of 16 patents)

5. Fumihiko Takahashi (1 out of 5 patents)

6. Toshihiro Noshiro (1 out of 1 patent)

3 patents: Sort by Forward Citations

1. 5897246 - Magnet roll and developing method using the same (1999-04-27),

2. 5691581 - Arm assembly and voice coil motor (1997-11-25),

3. 5659861 - Method of developing electrostatic latent image (1997-08-19),

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

3 Patents

#3,547 in Tokyo

#8,929 in Japan

Tokyo, Japan

Hitachi Metals Kiko, Ltd.

Forward Citations = 22

6 inventors:

Keitaro Yamashita (2 out of 48 patents)

Masumi Asanae (1 out of 42 patents)

Masahisa Ochiai (1 out of 21 patents)

4. Teruo Umehara (1 out of 16 patents)

5. Fumihiko Takahashi (1 out of 5 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Hitachi Metals Kiko, Ltd.. Retrieved from https://idiyas.com/company/hitachi-metals-kiko

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]