Okuyama; Tsutomu

Patent Applications and Registrations

Patent applications and USPTO patent grants for Okuyama; Tsutomu.The latest application filed is for "steel bar for downhole member, and downhole member".

Company Profile

2.6.5

Okuyama; Tsutomu - Tokyo JP
Okuyama; Tsutomu - Kobe JP
Okuyama; Tsutomu - Kobe-Shi JP
Okuyama; Tsutomu - Kawaguchi JP

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Steel bar for downhole member, and downhole member Grant 10,995,394 - Matsuo , et al. May 4, 2	2021-05-04
Steel Bar For Downhole Member, And Downhole Member App 20190177823 - MATSUO; Daisuke ; et al.	2019-06-13
Steel Pipe For Fuel Injection Pipe And Fuel Injection Pipe Using The Same App 20160369759 - MASUDA; Tatsuya ; et al.	2016-12-22
Cellulosic particles, spherical object comprising cross-linked polymer particles, and adsorbent for body fluid purification Grant 7,763,348 - Fujita , et al. July 27, 2	2010-07-27
Cellulosic Particles, Spherical Object Comprising Cross-linked Polymer Particles, And Adsorbent For Body Fluid Purification App 20080070027 - Fujita; Kouji ; et al.	2008-03-20
Cellulosic particles, spherical object comprising cross-linked polymer particles, and adsorbent for body fluid purification App 20030186041 - Fujita, Kouji ; et al.	2003-10-02
Cellulosic particles, spherical object comprising cross-linked polymer particles, and adsorbent for body fluid purification Grant 6,599,620 - Fujita , et al. July 29, 2	2003-07-29
Cellulosic Particles, Spherical Object Comprising Cross-linked Polymer Particles, And Adsorbent For Body Fluid Purification App 20030012941 - FUJITA, KOUJI ; et al.	2003-01-16
Lipoprotein adsorbent and lipoprotein adsorber made with the use of the same Grant 6,337,368 - Kobayashi , et al. January 8, 2	2002-01-08
Desk-top electronic calculator Grant D266,853 - Yoshioka , et al. November 9, 1	1982-11-09
Combined electronic calculator and clock Grant D260,777 - Yoshioka , et al. September 15, 1	1981-09-15

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