Tsutsumi; Shigeru

Patent Applications and Registrations

Patent applications and USPTO patent grants for Tsutsumi; Shigeru.The latest application filed is for "sound generating device".

Company Profile

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Tsutsumi; Shigeru - Yonezawa JP
Tsutsumi; Shigeru - Tokyo JP
Tsutsumi; Shigeru - Yonezawa-shi Yamagata-ken JP
Tsutsumi; Shigeru - 1165 Toyama-machi; Yonezawa-shi Yamagata-ken JP
Tsutsumi; Shigeru - Yamagata JP
Tsutsumi; Shigeru - Yamagata-ken Yonezawa JA

*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
Sound generating device Grant 5,804,906 - Tsutsumi September 8, 1	1998-09-08
Pressure-holding chamber type injection molding process and apparatus Grant 5,248,460 - Tsutsumi * September 28, 1	1993-09-28
Process and apparatus for injection molding with melt filtration and mixing Grant 5,246,660 - Tsutsumi September 21, 1	1993-09-21
Improved pressure-holding chamber type injection molding process and apparatus for injection molding of products Grant 5,219,512 - Tsutsumi June 15, 1	1993-06-15
Method and apparatus for gushing air stream into metal molds in injection molding machine Grant 4,976,900 - Tsutsumi December 11, 1	1990-12-11
Small-sized and precision injection molding apparatus Grant 4,723,898 - Tsutsumi February 9, 1	1988-02-09
Injection molding process for synthetic resin and its apparatus Grant 4,687,613 - Tsutsumi August 18, 1	1987-08-18
Pointed heat-generating device for molds of injection molding machines Grant 4,643,664 - Yoshida February 17, 1	1987-02-17
Hot tip bushing means for a synthetic resin injection molding machine Grant 4,517,453 - Tsutsumi May 14, 1	1985-05-14
Cap means for preventing resin from remaining in a mold of a runnerless injection molding apparatus Grant 4,501,550 - Nikkuni February 26, 1	1985-02-26
Injection molding process for synthetic resin and its apparatus Grant 4,438,064 - Tsutsumi March 20, 1	1984-03-20
Mold opening and locking mechanism in an injection molding machine or the like Grant 4,059,383 - Tsutsumi November 22, 1	1977-11-22
Injection Molding Apparatus For Synthetic Resin Grant 3,800,027 - Tsutsumi March 26, 1	1974-03-26

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