LexDanaLexDanabeta
Inventor

Tomoyuki Kawatsu

Inventor
Nanto, JP

Overview

3→
Patents
2004–2018
Patent span
Performing operations
Primary field (CPC B)

Patents· 3 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

B24Bprimary
B24BMachines, devices, or processes for grinding or polishing50%
B23DPlaning17%
B28DWorking stone or stone-like materials17%
Y10TTechnical subjects covered by former us classification17%
PatentTitleYear
10,124,431Wire saw20189,475,209'Wire saw and workpiece machining method employing same'20166,722,956'Working apparatus'2004

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2004Patents assigned to NIPPEI TOYAMA CORP (1)· patent assignee history
2004Based in Kanagawa, JP· patent location history
2016–2018Patents assigned to KOMATSU NTC LTD (2)· patent assignee history
2016–2018Based in Nanto, JP· patent location history
2018Patents assigned to KAWATSU TOMOYUKI (1)· patent assignee history
2018Patents assigned to SHIMADA HITOSHI (1)· patent assignee history
2018Patents assigned to TANIZAKI AKIRA (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
KOMATSU NTC LTD22016–2018
KAWATSU TOMOYUKIself12018
NIPPEI TOYAMA CORP12004
SHIMADA HITOSHI12018
TANIZAKI AKIRA12018
Locations
LocationPatentsSpan
Nanto, JP22016–2018
Kanagawa, JP12004