Inventor
WATABE KENICHI
JP11 patents
⚠️ This page may combine multiple inventors who share the name “WATABE KENICHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
ARISAWA SEISAKUSHO KK
4 patentsUS9158123B2Oct 13, 2015
Light diffraction element and optical low pass filter
ARISAWA SEISAKUSHO KK5 citations67
US11942665B2Mar 26, 2024
Separator member for fuel cell, and method for manufacturing said separator member
ARISAWA SEISAKUSHO KK0 citations55
US9760013B2Sep 12, 2017
Exposure apparatus, mask, and optical film
ARISAWA SEISAKUSHO KK0 citations37
US9594276B2Mar 14, 2017
Optical diffraction element, optical pickup, and optical diffraction element manufacturing method
ARISAWA SEISAKUSHO KK0 citations36