Inventor

TSUNEYOSHI JUN

JP5 patents

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

SII PRINTEK INC

2 patents

US7172271B2Feb 6, 2007

Ink-jet print head and ink-jet recording apparatus

SII PRINTEK INC7 citations68

US6811247B2Nov 2, 2004

Ink jet head and ink jet recording apparatus

SII PRINTEK INC2 citations60

MURAKAMI YUETSU

1 patent

US8684594B2Apr 1, 2014

Magnetically insensitive, highly hard and constant-modulus alloy, and its production method, as well as hair spring, mechanical driving apparatus and watch and clock

MURAKAMI YUETSU4 citations66

SEIKO WATCH KK

1 patent

US11618930B2Apr 4, 2023

Personal ornament and method for producing personal ornament

SEIKO WATCH KK0 citations48

SEIKO WATCH KK TRADING AS SEIKO WATCH CORPORATION

1 patent

US12493265B2Dec 9, 2025

Hairspring, timepiece movement, and timepiece

SEIKO WATCH KK TRADING AS SEIKO WATCH CORPORATION0 citations45