P

Inventor

YOKOYAMA AKIHIKO

JP6 patents
⚠️ This page may combine multiple inventors who share the name “YOKOYAMA AKIHIKO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

CANON KK

4 patents
US5532871AJul 2, 1996

Two-wavelength antireflection film

CANON KK63 citations95
US5858450AJan 12, 1999

Film forming method and apparatus therefor

CANON KK32 citations92
US5582879ADec 10, 1996

Cluster beam deposition method for manufacturing thin film

CANON KK25 citations92
US5460888AOct 24, 1995

Multi-layered optical film

CANON KK38 citations85

SUMITOMO DAINIPPON PHARMA CO LTD

1 patent
US11325921B2May 10, 2022

Optically active crosslinked cyclic secondary amine derivative

SUMITOMO DAINIPPON PHARMA CO LTD2 citations72

KANTO KAGAKU

1 patent
US10900014B2Jan 26, 2021

Long-term storage medium for culturing obligate anaerobic bacteria or microaerobic bacteria under aerobic environment, and method of detecting obligate anaerobic bacteria or microaerobic bacteria using said medium

KANTO KAGAKU0 citations51