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Inventor
KATAGIRI KATSUO
JP
5 patents
⚠️ This page may combine multiple inventors who share the name “KATAGIRI KATSUO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
FUJI PHOTO OPTICAL CO LTD
3 patents
US5889749A
Mar 30, 1999
Optical pickup apparatus
FUJI PHOTO OPTICAL CO LTD
7 citations
73
US4164752A
Aug 14, 1979
Optical system for color television cameras
FUJI PHOTO OPTICAL CO LTD
15 citations
72
US5530496A
Jun 25, 1996
Overhead projector
FUJI PHOTO OPTICAL CO LTD
5 citations
61
OSAKA GAS CO LTD
2 patents
US4431608A
Feb 14, 1984
Gas purification system
OSAKA GAS CO LTD
15 citations
68
US4375450A
Mar 1, 1983
Gas purification system
OSAKA GAS CO LTD
15 citations
68