Inventor · disambiguated record
Yumiko Ishido
Also filed as: ISHIDO YUMIKO
2 granted patents·4 pending applications·0 citations·filing 2016–2022
21Inventor score
Files withHITACHI LTD6
Top patents by PatentIndex Score
6 records- 0152US12509132B2Operation plan change assistance device, operation plan change assistance method, and rail traffic management systemHITACHI LTD·Filed 2022·Granted Dec 30, 2025·0 cites·9 claims
- 0250US12393897B2Service plan change assistance apparatus, decision model creation apparatus, decision model creation program, and train traffic management systemHITACHI LTD·Filed 2021·Granted Aug 19, 2025·0 cites·8 claims
- 0350US2022414582A1Production schedule change assistance apparatus, production schedule change assistance method, program therefor, and production management systemHITACHI LTD·Filed 2022·Application pending·0 cites
- 0449US2023033597A1Multi-subject cooperation plan system and multi-subject cooperation plan methodHITACHI LTD·Filed 2020·Application pending·0 cites
- 0536US2019050772A1Schedule arbitration systemHITACHI LTD·Filed 2016·Application pending·0 cites
- 0628US2019057065A1Modeling deviceHITACHI LTD·Filed 2016·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →