Inventor

HISAO IMAI

Inventor

Overview

3→

Patents

2024–2026

Patent span

Chemistry

Primary field (CPC C)

Patents· 3 as inventor

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

G02Bprimary

G02BOptical elements, systems or apparatus18%

B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form12%

C03CChemical composition of glasses, glazes or vitreous enamels12%

B64DEquipment for fitting in or to aircraft6%

B64UUnmanned aerial vehicles [uav]6%

C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium6%

C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds6%

C08JWorking-up6%

C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients6%

C08LCompositions of macromolecular compounds6%

PatentTitleYear

12,528,733Transparent laminate2026 12,392,946Optical filter and light-absorbing composition2025 12,181,630Low-refractive-index film, laminate, optical element, windbreak material, and display device2024

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2024–2026Patents assigned to NIPPON SHEET GLASS CO LTD (3)· patent assignee history

2024–2026Based in JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
NIPPON SHEET GLASS CO LTD	3	2024–2026

Locations

Location	Patents	Span
JP	3	2024–2026