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For the Inventor, By the Inventor

Kanagawa, Japan

Ulvac Techno, Ltd.

Calculating rank
USPTO Granted Patents = 3

Forward Citations = 1

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6 inventors (with patents filed for the assignee):

goldMedal Katsunori Fujii (2 out of 2 patents)

silverMedal Masanori Ito (2 out of 2 patents)

bronzeMedal Yasushi Iwata (1 out of 7 patents)

4.  Shunji Misawa (1 out of 2 patents)

5.  Sakae Inayoshi (1 out of 1 patent)

6.  Hiroshi Sato (1 out of 1 patent)


3 patents:

1. 12020967 - Substrate lifting apparatus and substrate transferring method (2024-06-25),
2. 11257702 - Power supply apparatus for electrostatic chuck and substrate control method (2022-02-22),
3. 8617321 - Surface treatment method for aluminum alloy and surface treatment method for magnesium alloy (2013-12-31),
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USPTO Data Jan 1 1976 - Oct 27 2026

3 Patents

#314 in Kanagawa

#8,938 in Japan

Kanagawa, JP
Kanagawa, Japan

Ulvac Techno, Ltd.

Forward Citations = 1

6 inventors:

goldMedal Katsunori Fujii (2 out of 2 patents)

silverMedal Masanori Ito (2 out of 2 patents)

bronzeMedal Yasushi Iwata (1 out of 7 patents)

4.  Shunji Misawa (1 out of 2 patents)

5.  Sakae Inayoshi (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Ulvac Techno, Ltd.. Retrieved from https://idiyas.com/company/ulvac-techno

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]
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