Inventor

Yoshimitsu Sekiya

Inventor

Moriya, JP

Overview

3→

Patents

2001–2009

Patent span

Mechanical engineering

Primary field (CPC F)

Patents· 3 as inventor

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

F04Cprimary

F04CRotary-piston, or oscillating-piston, positive-displacement machines for liquids25%

F16JPistons25%

F25BRefrigeration machines, plants or systems25%

F25JLiquefaction, solidification or separation of gases or gaseous or liquefied gaseous mixtures by pressure and cold treatment or by bringing them into the supercritical state25%

PatentTitleYear

7,540,171'Cryogenic liquefying/refrigerating method and system'2009 7,347,301'Lubricant supply system and operating method of multisystem lubrication screw compressor'2008 6,325,382'Non-contact type mechanical seal'2001

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2001–2009Patents assigned to MAEKAWA SEISAKUSHO KK (3)· patent assignee history

2001Patents assigned to NIPPON PILLAR PACKING (1)· patent assignee history

2001Patents assigned to SHINETSU CHEMICAL CO (1)· patent assignee history

2001Based in Tokyo, JP· patent location history

2008–2009Based in Moriya, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
MAEKAWA SEISAKUSHO KK	3	2001–2009
NIPPON PILLAR PACKING	1	2001
SHINETSU CHEMICAL CO	1	2001

Locations

Location	Patents	Span
Moriya, JP	2	2008–2009
Tokyo, JP	1	2001