Inventor

HIROKI HOTAKA

Inventor

Overview

6→

Patents

2023–2025

Patent span

Chemistry

Primary field (CPC C)

Patents· 6 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

C09Bprimary

C09BOrganic dyes or closely-related compounds for producing dyes, e.g. pigments27%

G02BOptical elements, systems or apparatus27%

H10FInorganic semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation18%

C09KMaterials for miscellaneous applications, not provided for elsewhere9%

H04NPictorial communication, e.g. television9%

G01JMeasurement of intensity, velocity, spectral content, polarisation, phase or pulse characteristics of infrared, visible or ultraviolet light5%

H01LSemiconductor devices5%

PatentTitleYear

12,454,619Optical filter and imaging device2025 12,204,124Optical filter and imaging device2025 12,168,730Optical filter and imaging device2024 11,993,718Optical filter and imaging device2024 11,709,298Optical filter and imaging device2023 11,693,163Optical filter and imaging device2023

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2023–2025Patents assigned to AGC INC (6)· patent assignee history

2023–2025Based in JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
AGC INC	6	2023–2025

Locations

Location	Patents	Span
JP	6	2023–2025