P

Inventor

HOJOH HISAO

JP6 patents
⚠️ This page may combine multiple inventors who share the name “HOJOH HISAO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

QZ CORP

3 patents
US12442706B2Oct 14, 2025

Diaphragm pressure gauge and compound pressure gauge

QZ CORP0 citations55
US11181430B2Nov 23, 2021

Pressure gauge

QZ CORP1 citations55
US10852207B2Dec 1, 2020

Vacuum gauge

QZ CORP0 citations34

SEIKO INSTR INC

1 patent
US4747311AMay 31, 1988

Gas pressure gage

SEIKO INSTR INC29 citations88

VACUUM PRODUCTS KABUSHIKI KAIS

1 patent
US5228344AJul 20, 1993

Method of measuring pressures using a tuning fork crystal oscillator

VACUUM PRODUCTS KABUSHIKI KAIS9 citations65

VACUUM PRODUCTS CORP

1 patent
US6869574B2Mar 22, 2005

Apparatus and method of generating charged particles

VACUUM PRODUCTS CORP4 citations56