Film-forming composition containing surfactant or surfactant and salt as whitening agent
US-12419812-B2 · Sep 23, 2025 · US
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Doi Hitomi patents
Doi Hitomi is listed as an inventor on 7 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Doi Hitomi |
| Total patents | 7 |
| First publication | Sep 9, 2021 |
| Latest publication | Sep 23, 2025 |
Notable patents
Publications ranked by popularity score, then publication date.
Film-forming composition containing surfactant or surfactant and salt as whitening agent
US-12303575-B2 · May 20, 2025 · US
Film-forming composition containing surfactant or surfactant and salt as whitening agent
US-2024299259-A1 · Sep 12, 2024 · US
Film-forming composition containing surfactant or surfactant and salt as whitening agent
US-2024058225-A1 · Feb 22, 2024 · US
Film-forming composition containing surfactant or surfactant and salt as whitening agent
US-11801205-B2 · Oct 31, 2023 · US
Film, capsule and film-forming composition comprising water-soluble salt as opacifying agent
US-2022218619-A1 · Jul 14, 2022 · US
Film-forming composition containing surfactant or surfactant and salt as whitening agent
US-2021275404-A1 · Sep 9, 2021 · US
Recent patents
Latest publications not already listed above.
No data yet.
Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Capsugel Belgium Nv | 7 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| A61K47/36 | 7 |
| A61K9/4816 | 7 |
| A61K9/4825 | 7 |
| A61K47/02 | 7 |
| A61K47/42 | 7 |