P

Inventor

HAMADA YOICHI

JP13 patents
⚠️ This page may combine multiple inventors who share the name “HAMADA YOICHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

FUJI PHOTO FILM CO LTD

5 patents
US4090211AMay 16, 1978

Self-developing camera and film pack therefore

FUJI PHOTO FILM CO LTD10 citations73
US5448324ASep 5, 1995

Sheet film pack and film pack holder

FUJI PHOTO FILM CO LTD15 citations71
US4110766AAug 29, 1978

Superimposing device for use in a data-recording camera

FUJI PHOTO FILM CO LTD3 citations62
US4109260AAug 22, 1978

Superimposing device for use in a data-recording camera

FUJI PHOTO FILM CO LTD4 citations62
US5742863AApr 21, 1998

Film holder

FUJI PHOTO FILM CO LTD0 citations39

DAIKIN IND LTD

2 patents
US5228972AJul 20, 1993

Apparatus for measuring concentration of test substance in liquid

DAIKIN IND LTD237 citations97
US5320734AJun 14, 1994

Test apparatus for measuring concentration of test substance in liquid

DAIKIN IND LTD8 citations71

KONAN INC

2 patents
US5757461AMay 26, 1998

Method for displaying a photographing point of a cornea in an apparatus for obtaining video images of corneal cells

KONAN INC32 citations89
US5557351ASep 17, 1996

Apparatus for obtaining visual images of cornea cells and method for displaying imaging-position around cornea for the apparatus

KONAN INC16 citations71

KONAN COMMON CO LTD

1 patent
US5548354AAug 20, 1996

Method for observing and photographing a cornea and apparatus for the same

KONAN COMMON CO LTD47 citations89

NEC CORP

1 patent
US7221385B2May 22, 2007

Picture phone apparatus which checks validity of picture and picture phone system using the same

NEC CORP9 citations73

MITSUBISHI MATERIALS CORP

1 patent
US12420344B2Sep 23, 2025

Base material for hard sintered body, hard sintered body, and cutting tool

MITSUBISHI MATERIALS CORP0 citations44

KONAN MEDICAL INC

1 patent
US9612110B2Apr 4, 2017

Observation device of cornea for transplantation, and auxiliary light source unit used for the same

KONAN MEDICAL INC0 citations36