P

Inventor

ZHANG YIHUA

US69 patents
⚠️ This page may combine multiple inventors who share the name “ZHANG YIHUA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

CHEVRON USA INC

21 patents
US9920260B2Mar 20, 2018

Processes using molecular sieve SSZ-91

CHEVRON USA INC30 citations94
US9802830B2Oct 31, 2017

Molecular sieve SSZ-91

CHEVRON USA INC23 citations94
US10618816B2Apr 14, 2020

Molecular sieve SSZ-91, methods for preparing SSZ-91, and uses for SSZ-91

CHEVRON USA INC14 citations86
US9944863B2Apr 17, 2018

Middle distillate hydrocracking catalyst

CHEVRON USA INC8 citations84
US9616419B2Apr 11, 2017

Hydroisomerization catalyst manufactured using a high nanopore volume alumina supports

CHEVRON USA INC8 citations80
US11865527B2Jan 9, 2024

Hydroisomerization catalysts

CHEVRON USA INC2 citations73
US11229903B1Jan 25, 2022

Hydroisomerization catalyst with improved thermal stability

CHEVRON USA INC5 citations73
US11001502B2May 11, 2021

Molecular sieve SSZ-91, methods for preparing SSZ-91, and uses for SSZ-91

CHEVRON USA INC4 citations73
US10052619B2Aug 21, 2018

Method for making molecular sieve SSZ-95

CHEVRON USA INC2 citations73
US10913054B2Feb 9, 2021

Hydrocracking catalyst containing zeolite USY and low acidity and large domain size zeolite beta

CHEVRON USA INC3 citations68
US12570909B2Mar 10, 2026

Process for hydroisomerising a hydrocarbon feed

CHEVRON USA INC0 citations62
US12544737B2Feb 10, 2026

High nanopore volume hydrotreating catalyst and process

CHEVRON USA INC0 citations62
US12398331B2Aug 26, 2025

Catalyst and process using SSZ-91 and ZSM-12

CHEVRON USA INC0 citations62
US12090468B2Sep 17, 2024

High nanopore volume hydrotreating catalyst and process

CHEVRON USA INC0 citations62
US11987757B2May 21, 2024

Processes for producing diesel from unconventional feedstocks

CHEVRON USA INC0 citations62
US11679987B2Jun 20, 2023

SSZ-91 catalyst

CHEVRON USA INC0 citations62
US11559789B2Jan 24, 2023

Base oil hydrotreating catalyst and process of use

CHEVRON USA INC0 citations62
US12577478B2Mar 17, 2026

Method for producing high quality base oils using two stage hydrofinishing

CHEVRON USA INC0 citations60
US12584072B2Mar 24, 2026

Process and system for base oil production

CHEVRON USA INC0 citations59
US11441085B2Sep 13, 2022

Process to make finished base oils and white oils from dewaxed bulk base oils

CHEVRON USA INC0 citations58
US11873455B2Jan 16, 2024

Process having improved base oil yield

CHEVRON USA INC0 citations57

MICRON TECHNOLOGY INC

8 patents

INTEL CORP

5 patents

ZHEJIANG JIKE IND & TRADE CO LTD

5 patents

ZHANG YIHUA

3 patents

OJO ADEOLA FLORENCE

2 patents

CHEN YI

1 patent

JIA JIFEI

1 patent

HUAWEI TECH CO LTD

1 patent

SK HYNIX NAND PRODUCT SOLUTIONS CORP

1 patent

JIANGSU KANION PHARMACEUTICAL CO LTD

1 patent

MANGALINDAN PAOLO E

1 patent

Showing the top 50 of 69 patents by PatentIndex Score.