Calculation method, calculation device, and calculation program of residual stress distribution
US-2026079059-A1 · Mar 19, 2026 · US
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Ishiwatari Akinobu patents
Ishiwatari Akinobu is listed as an inventor on 20 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Ishiwatari Akinobu |
| Total patents | 20 |
| First publication | Jun 18, 2015 |
| Latest publication | Mar 19, 2026 |
Notable patents
Publications ranked by popularity score, then publication date.
Method, device, and program for predicting delayed fracture in press formed part, and method of manufacturing press formed part
US-2025190644-A1 · Jun 12, 2025 · US
Press forming method
US-12263514-B2 · Apr 1, 2025 · US
Method, device, and program of evaluating peripheral shape of press formed part, and method of manufacturing press formed part
US-2025050403-A1 · Feb 13, 2025 · US
Press forming method and shape evaluation method for press formed part
US-2024207917-A1 · Jun 27, 2024 · US
Method of calculating residual stress
US-2024027314-A1 · Jan 25, 2024 · US
Sheet material press forming method
US-11376645-B2 · Jul 5, 2022 · US
Press forming method
US-2022193747-A1 · Jun 23, 2022 · US
Sheet material press forming method
US-2020316667-A1 · Oct 8, 2020 · US
Press forming method and tool of press forming
US-10500624-B2 · Dec 10, 2019 · US
Recent patents
Latest publications not already listed above.
Method of press forming and press forming apparatus
US-10286436-B2 · May 14, 2019 · US
Stress-strain relation simulation method, springback-amount prediction method, and springback analyzer
US-10089422-B2 · Oct 2, 2018 · US
Method of identifying cause of springback and apparatus of identifying cause of springback
US-10012555-B2 · Jul 3, 2018 · US
Method for specifying stretch flange limit strain and method for determining feasibility of press forming
US-9953115-B2 · Apr 24, 2018 · US
Press forming method and tool of press forming
US-2018021831-A1 · Jan 25, 2018 · US
Method for press forming analysis
US-9410855-B2 · Aug 9, 2016 · US
Method of press forming and press forming apparatus
US-2016121384-A1 · May 5, 2016 · US
Stress-strain relation simulation method, springback-amount prediction method, and springback analyzer
US-2015370936-A1 · Dec 24, 2015 · US
Method for specifying stretch flange limit strain and method for determining feasibility of press forming
US-2015294043-A1 · Oct 15, 2015 · US
Method of identifying cause of springback and apparatus of identifying cause of springback
US-2015168240-A1 · Jun 18, 2015 · US
Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Jfe Steel Corp | 20 |
| Ishiwatari Akinobu | 1 |
| Kano Hirotaka | 1 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| B21D22/02 | 11 |
| G06F30/23 | 9 |
| B21D22/00 | 8 |
| B21D22/20 | 7 |
| G06F2113/24 | 6 |