Takatsugu IWASHITA

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Chiyoda-ku, JP

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Patents Grantslast 30 patents

Information Patent Grant
Piston ring
- Patent number 11,242,929
- Issue date Feb 8, 2022
- TPR CO., LTD.
- Tomoyuki Sato
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Piston ring
- Patent number 9,175,771
- Issue date Nov 3, 2015
- TPR Co., Ltd.
- Takatsugu Iwashita
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...

Patents Applicationslast 30 patents

Information Patent Application
CRN Coating Film and Sliding Member
- Publication number 20230416903
- Publication date Dec 28, 2023
- TPR CO., LTD.
- Syun Sugawara
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
PISTON RING
- Publication number 20210270370
- Publication date Sep 2, 2021
- TPR CO., LTD.
- Tomoyuki Sato
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
PISTON RING
- Publication number 20150137457
- Publication date May 21, 2015
- TPR CO., LTD.
- Takatsugu IWASHITA
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
PISTON RING
- Publication number 20120248711
- Publication date Oct 4, 2012
- TPR CO., LTD.
- Takatsugu IWASHITA
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...