Inventor
YOKOYAMA TOSHIHARU
JP43 patents
⚠️ This page may combine multiple inventors who share the name “YOKOYAMA TOSHIHARU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
JAPAN SCIENCE & TECH AGENCY
13 patentsUS10322940B2Jun 18, 2019
Composite, method for producing composite, ammonia synthesis catalyst, and ammonia synthesis method
JAPAN SCIENCE & TECH AGENCY46 citations94
US10173202B2Jan 8, 2019
Supported metal catalyst and method of synthesizing ammonia using the same
JAPAN SCIENCE & TECH AGENCY23 citations93
US10759668B2Sep 1, 2020
Supported metal material, supported metal catalyst, and ammonia synthesis method using the same
JAPAN SCIENCE & TECH AGENCY26 citations92
US10792645B2Oct 6, 2020
Transition-metal-supporting intermetallic compound, supported metallic catalyst, and ammonia producing method
JAPAN SCIENCE & TECH AGENCY27 citations91
US10695751B2Jun 30, 2020
Laves phase intermetallic compound, catalyst using intermetallic compound, and method for producing ammonia
JAPAN SCIENCE & TECH AGENCY1 citations62
US11819827B2Nov 21, 2023
Supported metal material, supported metal catalyst, method of producing ammonia, method of producing hydrogen and method of producing cyanamide compound
JAPAN SCIENCE & TECH AGENCY0 citations61
US12351469B2Jul 8, 2025
Oxynitride hydride, supported metal material containing oxynitride hydride, and catalyst for ammonia synthesis
JAPAN SCIENCE & TECH AGENCY0 citations58
US12371336B2Jul 29, 2025
Layered double hydroxide electride and method for producing same
JAPAN SCIENCE & TECH AGENCY0 citations56
US12350654B2Jul 8, 2025
Oxynitride-hydride, metal-supported material containing oxynitride-hydride, and ammonia synthesis catalyst
JAPAN SCIENCE & TECH AGENCY0 citations56
US11433378B2Sep 6, 2022
Intermetallic compound, hydrogen storage/release material, catalyst and method for producing ammonia
JAPAN SCIENCE & TECH AGENCY0 citations55
US11946151B2Apr 2, 2024
Electrolytic cell and electrolytic device
JAPAN SCIENCE & TECH AGENCY0 citations51
US10016742B2Jul 10, 2018
Mayenite-type compound containing imide anion, and method for producing same
JAPAN SCIENCE & TECH AGENCY0 citations51
US12343704B2Jul 1, 2025
Method of producing metal oxyhydride, metal oxyhydride, and method of synthesizing ammonia using same
JAPAN SCIENCE & TECH AGENCY0 citations43
MITSUBISHI CHEM IND
7 patentsUS4613700ASep 23, 1986
Process for producing aromatic aldehydes
MITSUBISHI CHEM IND91 citations96
US4423252ADec 27, 1983
Process for preparing bisphenols
MITSUBISHI CHEM IND63 citations94
US4478956AOct 23, 1984
Process for preparing bisphenols using pyridinealkanethiol derivatized sulphonated cation exchange resins
MITSUBISHI CHEM IND39 citations91
US4405823ASep 20, 1983
Process for the production of phenols
MITSUBISHI CHEM IND8 citations73
US4165441AAug 21, 1979
Process for the preparation of styrene
MITSUBISHI CHEM IND6 citations73
US5239108AAug 24, 1993
Process for producing aliphatic or alicyclic aldehyde
MITSUBISHI CHEM IND9 citations72
US4791235ADec 13, 1988
Process for separating 2,6-dimethylnaphthalene
MITSUBISHI CHEM IND17 citations70
TOKYO INST TECH
7 patentsUS11235310B2Feb 1, 2022
Method for manufacturing ammonia synthesis catalyst, and method for manufacturing ammonia
TOKYO INST TECH23 citations92
US12458953B2Nov 4, 2025
Method for manufacturing ammonia synthesis catalyst, and method for manufacturing ammonia
TOKYO INST TECH0 citations61
US11964260B2Apr 23, 2024
Method for manufacturing ammonia synthesis catalyst, and method for manufacturing ammonia
TOKYO INST TECH0 citations61
US11267720B2Mar 8, 2022
Method for manufacturing electride of mayenite-type compounds
TOKYO INST TECH0 citations61
US10124319B2Nov 13, 2018
Method for producing conductive mayenite compound powder having large specific surface area
TOKYO INST TECH0 citations51
US9981845B2May 29, 2018
Catalyst for producing hydrogen and method for producing hydrogen
TOKYO INST TECH1 citations51
US9573822B2Feb 21, 2017
Method for producing conductive mayenite compound powder
TOKYO INST TECH1 citations51
MITSUBISHI CHEM CORP
3 patentsUS5569803AOct 29, 1996
Method for producing a cycloolefin
MITSUBISHI CHEM CORP18 citations73
US6087528AJul 11, 2000
Process for producing hydroxyalkyl monoacrylate using stannoxane catalysts
MITSUBISHI CHEM CORP3 citations57
US6700003B2Mar 2, 2004
Process for producing a saturated cyclic ether
MITSUBISHI CHEM CORP0 citations42
AJINOMOTO KK
3 patentsUS12241103B2Mar 4, 2025
Production system and method of production for organic compound or microorganism
AJINOMOTO KK0 citations60
US10941427B2Mar 9, 2021
Production system and method of production for product selected from nitrogen-containing product and fermented and cultured product
AJINOMOTO KK1 citations60
US10808267B2Oct 20, 2020
Production system and method of production for organic compound or microorganism
AJINOMOTO KK0 citations50
FUJI XEROX CO LTD
3 patentsUS10846414B2Nov 24, 2020
Information processing system, information processing method, and non-transitory computer readable medium
FUJI XEROX CO LTD0 citations41
US10387371B2Aug 20, 2019
Information processing apparatus, information processing method, and non-transitory computer readable medium
FUJI XEROX CO LTD0 citations41
US10277773B2Apr 30, 2019
Facsimile received data management apparatus, facsimile received data management system, and non-transitory computer readable medium for automatically sorting received documents in facsimile communications
FUJI XEROX CO LTD0 citations36