Inventor
TAKESHI IMAI
Inventor
JP
Overview
Patents· 14 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G02Bprimary
G02BOptical elements, systems or apparatus10%
H01SDevices using the process of light amplification by stimulated emission of radiation [laser] to amplify or generate light10%
C21DModifying the physical structure of ferrous metals8%
C22CAlloys8%
C23CCoating metallic material8%
H01LSemiconductor devices8%
H04BTransmission8%
H01FMagnets5%
H04JMultiplex communication5%
H10HInorganic light-emitting semiconductor devices having potential barriers5%
PatentTitleYear
12,597,760Light-emitting device202612,512,910Optical communication device and optical communication method202512,338,504Method for producing grain-oriented electrical steel sheet202512,308,361Light-emitting device202512,300,972Light emitting device202512,234,538Aluminum-plated steel sheet, hot-stamped member, and method for manufacturing hot-stamped member202512,106,741Musical performance system, terminal device, method and electronic musical instrument202411,984,437Light-emitting device202411,921,333Wavelength-selection type optical receiving apparatus202411,848,701Optical space communication system and optical space communication method202311,782,155Distance measurement device and distance measurement system202311,506,883Optical wavelength selecting filter-module and optical wavelength selecting method202211,258,510Tunable optical filter control apparatus and tunable optical filter control method202211,189,407Grain-oriented electrical steel sheet2021Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2021–2025Patents assigned to NIPPON STEEL CORP (3)· patent assignee history
2021–2026Based in JP· patent location history
2022–2024Patents assigned to NIPPON TELEGRAPH & TELEPHONE (4)· patent assignee history
2023Patents assigned to HITACHI LG DATA STORAGE INC (1)· patent assignee history
2024–2026Patents assigned to NICHIA CORP (4)· patent assignee history
2024Patents assigned to CASIO COMPUTER CO LTD (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| NICHIA CORP | 4 | 2024–2026 |
| NIPPON TELEGRAPH & TELEPHONE | 4 | 2022–2024 |
| NIPPON STEEL CORP | 3 | 2021–2025 |
| CASIO COMPUTER CO LTD | 1 | 2024 |
| HITACHI LG DATA STORAGE INC | 1 | 2023 |
Locations
| Location | Patents | Span |
|---|---|---|
| JP | 14 | 2021–2026 |