Inventor
ISHIKAWA HARUO
JP21 patents
⚠️ This page may combine multiple inventors who share the name “ISHIKAWA HARUO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD
5 patentsUS4957040ASep 18, 1990
Apparatus for making bread
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD44 citations94
US4762057AAug 9, 1988
Automatic bread producing machine
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD82 citations94
US5068537ANov 26, 1991
Passenger number sensor system
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD25 citations86
US4885176ADec 5, 1989
Method of making bread
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD17 citations78
US4631024ADec 23, 1986
Catalytic combustion device
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD22 citations78
KOWA CO
5 patentsUS10856969B2Dec 8, 2020
Toric intraocular lens and intraocular lens insertion apparatus
KOWA CO2 citations73
US11366336B2Jun 21, 2022
Toric ophthalmic lens
KOWA CO0 citations52
US10646328B2May 12, 2020
Toric ophthalmic lens
KOWA CO0 citations51
US11622851B2Apr 11, 2023
Toric intraocular lens, intraocular lens insertion tool, and method for producing toric intraocular lens
KOWA CO0 citations45
US12491067B2Dec 9, 2025
Multifocal diffractive lens
KOWA CO0 citations44
SUMITOMO METAL MINING CO
4 patentsUS4622663ANov 11, 1986
Optical wavelength demultiplexer
SUMITOMO METAL MINING CO27 citations92
US4684208AAug 4, 1987
Optical branching element
SUMITOMO METAL MINING CO9 citations73
US9970077B2May 15, 2018
Method for adding starting material slurry and sulfuric acid to autoclave in high pressure acid leaching process and autoclave
SUMITOMO METAL MINING CO4 citations72
US9732400B2Aug 15, 2017
Autoclave apparatus used during high-pressure acid leaching process
SUMITOMO METAL MINING CO3 citations71