Inventor
Takayuki Hayakawa
Inventor
Fujioka, JP
Overview
Patents· 6 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
A61Kprimary
A61KPreparations for medical, dental or toiletry purposes23%
A61QSpecific use of cosmetics or similar toiletry preparations23%
A45DHairdressing or shaving equipment15%
B43KImplements for writing or drawing8%
C22CAlloys8%
C25DProcesses for the electrolytic or electrophoretic production of coatings8%
H01FMagnets8%
Y10TTechnical subjects covered by former us classification8%
PatentTitleYear
10,964,463Alloy for R--T--B based rare earth sintered magnet and method for producing the R--T--B based rare earth sintered magnet202110,143,288Cosmetic applicator20189,462,870'Aqueous manicure preparation and manicure preparation-filled applicator'20169,445,983'Aqueous manicure composition'20169,132,070'Manicure composition'20154,604,169'Process for metal plating a stainless steel'1986Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1986Patents assigned to FURUKAWA ELECTRIC CO LTD (1)· patent assignee history
1986Based in Nikko, JP· patent location history
2015–2018Patents assigned to MITSUBISHI PENCIL CO (4)· patent assignee history
2015–2016Patents assigned to HAYAKAWA TAKAYUKI (2)· patent assignee history
2015Patents assigned to MORITA MASAAKI (1)· patent assignee history
2015–2018Based in Fujioka, JP· patent location history
2016Patents assigned to OMOTO KEI (1)· patent assignee history
2021Based in Tokyo, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| MITSUBISHI PENCIL CO | 4 | 2015–2018 |
| HAYAKAWA TAKAYUKIself | 2 | 2015–2016 |
| FURUKAWA ELECTRIC CO LTD | 1 | 1986 |
| MORITA MASAAKI | 1 | 2015 |
| OMOTO KEI | 1 | 2016 |
Locations
| Location | Patents | Span |
|---|---|---|
| Fujioka, JP | 4 | 2015–2018 |
| Tokyo, JP | 1 | 2021 |
| Nikko, JP | 1 | 1986 |