Niwa; Tomonori

Patent Applications and Registrations

Patent applications and USPTO patent grants for Niwa; Tomonori.The latest application filed is for "semiconductor manufacturing equipment component and method of making the same".

Company Profile

0.7.12

Niwa; Tomonori - Ichinomiya JP
NIWA; Tomonori - Ichinomiya-shi JP
Niwa, Tomonori - Aichi 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
Carrier device and ceramic member Grant 9,691,652 - Miwa , et al. June 27, 2	2017-06-27
Semiconductor Manufacturing Equipment Component And Method Of Making The Same App 20160099163 - NASU; Takakuni ; et al.	2016-04-07
Carrier device and ceramic member Grant 9,276,504 - Miwa , et al. March 1, 2	2016-03-01
Carrier Device And Ceramic Member App 20150021944 - Miwa; Kaname ; et al.	2015-01-22
Carrier Device And Ceramic Member App 20150016010 - Miwa; Kaname ; et al.	2015-01-15
Ceramic ball, ball bearing, motor having bearing, hard disk drive, polygon scanner, and method for manufacturing ceramic ball Grant 7,029,623 - Niwa April 18, 2	2006-04-18
Zirconia containing ceramic ball, method for manufacturing same, ceramic ball bearing and check valve Grant 6,696,376 - Niwa , et al. February 24, 2	2004-02-24
Zirconia sintered body, abrasion-resistant member, bearing ball, and member for optical connector App 20030139279 - Niwa, Tomonori	2003-07-24
High-purity alumina sintered body, high-purity alumina ball, jig for semiconductor, insulator, ball bearing, check valve, and method for manufacturing high-purity alumina sintered body App 20030008765 - Niwa, Tomonori ; et al.	2003-01-09
Sintered silicon nitride member and ceramic ball Grant 6,472,075 - Niwa October 29, 2	2002-10-29
Conductive ceramic bearing ball, ball bearing, motor having bearing, hard disk drive, and polygon scanner App 20020044705 - Niwa, Tomonori ; et al.	2002-04-18
Ceramic ball, ball bearing, motor having bearing, hard disk drive, polygon scanner, and method for manufacturing ceramic ball App 20020043745 - Niwa, Tomonori	2002-04-18
Ceramic ball, ball bearing, motor having bearing, hard disk drive, polygon scanner, and method for manufacturing ceramic ball App 20020039459 - Niwa, Tomonori ; et al.	2002-04-04
Silicon nitride sintered body, silicon nitride ball, silicon nitride bearing ball, ball bearing, motor having bearing, hard disk drive, and polygon scanner App 20020037803 - Niwa, Tomonori ; et al.	2002-03-28
Ceramic ball for bearing and ceramic ball bearing using the same App 20020003228 - Niwa, Tomonori ; et al.	2002-01-10
High-purity alumina sintered body, high-purity alumina ball, jig for semiconductor, insulator, ball bearing, check value, and method for manufacturing high-purity alumina sintered body App 20010054443 - Niwa, Tomonori ; et al.	2001-12-27
Zirconia containing ceramic ball, method for manufacturing same, ceramic ball bearing and check valve App 20010039237 - Niwa, Tomonori ; et al.	2001-11-08
Sintered ceramic mainly composed of alumina and a sintered ceramic part consisting of a sintered ceramic mainly composed of alumina Grant 5,994,251 - Niwa November 30, 1	1999-11-30
Porous ceramic material Grant 5,688,728 - Niwa , et al. November 18, 1	1997-11-18

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