Sonobe; Akio

Patent Applications and Registrations

Patent applications and USPTO patent grants for Sonobe; Akio.The latest application filed is for "iron-ion supply material".

Company Profile

3.6.7

Sonobe; Akio - Tokyo JP
SONOBE; Akio - Chiyoda-ku Tokyo
Sonobe, Akio - Chiba 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
Iron-based alloy powder for powder metallurgy, and sinter-forged member Grant 10,774,403 - Nakamura , et al. September 15, 2	2020-09-15
Iron-ion supply material Grant 10,526,254 - Enokido , et al. J	2020-01-07
Alloy steel powder for powder metallurgy, and sintered body Grant 10,207,328 - Takashita , et al. Feb	2019-02-19
Method Of Producing Mixed Powder For Powder Metallurgy, Method Of Producing Sintered Body, And Sintered Body App 20180193911 - KOBAYASHI; Akio ; et al.	2018-07-12
Iron-ion Supply Material App 20180194696 - Enokido; Hirofumi ; et al.	2018-07-12
Iron-based Alloy Powder For Powder Metallurgy, And Sinter-forged Member App 20170349981 - NAKAMURA; Naomichi ; et al.	2017-12-07
Alloy Steel Powder For Powder Metallurgy, And Sintered Body App 20170259340 - TAKASHITA; Takuya ; et al.	2017-09-14
Process for producing sponge iron and reduced iron powder sponge iron and charging apparatus App 20050193862 - Suzuki, Yoshitomo ; et al.	2005-09-08
Method for producing sponge iron, and reduced iron powder and method for production thereof Grant 6,918,945 - Uenosono , et al. July 19, 2	2005-07-19
Iron-based mixed powder for powder metallurgy and iron-based sintered compact Grant 6,648,941 - Uenosono , et al. November 18, 2	2003-11-18
Method for producing sponge iron, and reduced iron powder and method for production thereof App 20030110889 - Uenosono, Satoshi ; et al.	2003-06-19
Iron-based mixed powder for powder metallurgy and iron-based sintered compact App 20030075016 - Uenosono, Satoshi ; et al.	2003-04-24
Method of making iron-based powder mixture Grant 5,279,640 - Ogura , et al. January 18, 1	1994-01-18

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