Inventor

KAWATSUKI NOBUHIRO

JP8 patents

⚠️ This page may combine multiple inventors who share the name “KAWATSUKI NOBUHIRO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

HAYASHI TELEMPU KK

2 patents

US6743487B2Jun 1, 2004

Retardation film and process for producing the same

HAYASHI TELEMPU KK16 citations91

US7300687B2Nov 27, 2007

Retardation film and process for producing the same

HAYASHI TELEMPU KK1 citations50

KURARAY CO

2 patents

US4842969AJun 27, 1989

Transmittance modulation photomask, process for producing the same, and process for producing diffraction gratings using the same

KURARAY CO29 citations91

US5155622AOct 13, 1992

Polarizing optical element and device using the same

KURARAY CO12 citations72

UNIV HYOGO

2 patents

US11560517B2Jan 24, 2023

Photoreactive liquid crystal composition, display element, optical element, method for manufacturing display element, and method for manufacturing optical element

UNIV HYOGO0 citations61

US10752839B2Aug 25, 2020

Photoreactive liquid crystal composition, display element, optical element, method for manufacturing display element, and method for manufacturing optical element

UNIV HYOGO0 citations51

UNIV NAGAOKA TECHNOLOGY

1 patent

US11899316B2Feb 13, 2024

Terahertz wave control element

UNIV NAGAOKA TECHNOLOGY0 citations48

HAYASHI TELEMPU CORP

1 patent

US12055742B2Aug 6, 2024

Polarization diffraction element and vector beam mode detection system using the same

HAYASHI TELEMPU CORP0 citations46