For the Inventor, By the Inventor

Enter inventor name

Akinobu Sakamoto

This inventor holds 8 USPTO granted patents. Top assignee: Sumitomo Chemical Company, Limited. Active years: 1997-2022.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Akinobu Sakamoto. Retrieved from https://idiyas.com/inventor/akinobu-sakamoto

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

USPTO Granted Patents = 8

% Patents Active = 75.0

Average Co-Inventor Count = 2.0

ph-index = 2

Forward Citations = 19(Granted Patents)

Location History:

Osaka, JP (1997)
Chiba, JP (2004)
Sodegaura, JP (2001 - 2005)
Niihama, JP (2019 - 2022)

Company Filing History:

Sumitomo Chemical Company, Limited

Years Active: 1997-2022

Loading Chart...

8 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 11491494 - Separator film conveyance device for nonaqueous electrolytic-solution secondary battery and method for manufacturing separator film for nonaqueous electrolytic-solution secondary battery (2022-11-08),

2. 10457520 - Film roll and method for producing film roll (2019-10-29),

3. 10301135 - Film winding device control method, film roll, film winding device, and film roll production method (2019-05-28),

4. 6878318 - Methods for producing multi-layer foamed sheets (2005-04-12),

5. 6693140 - Container comprising foamed olefin resin and process for producing same (2004-02-17),

6. 6290884 - Process for producing uncrosslinked polypropylene-based resin foam sheets and uncrosslinked polypropylene-based resin foam sheets (2001-09-18),

7. 6255237 - Laminated sheet (2001-07-03),

8. 5616627 - Polypropylene resin composition, polypropylene resin foamed material and (1997-04-01),

Profile summary based on public USPTO records.

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]

Loading…