Keiji NISHIMOTO

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Patents Applicationslast 30 patents

Information Patent Application
OPTICAL PRODUCT AND LIGHT CONCENTRATOR
- Publication number 20230408732
- Publication date Dec 21, 2023
- TOKAI OPTICAL CO. LTD.
- Akira OKUMURA
- G02 - OPTICS
Information Patent Application
OPTICAL PRODUCT AND OPTICAL PRODUCT MANUFACTURING METHOD
- Publication number 20230384491
- Publication date Nov 30, 2023
- Tokai Optical Co., Ltd.
- Keiji NISHIMOTO
- G02 - OPTICS
Information Patent Application
OPTICAL THIN FILM MANUFACTURING METHOD AND OPTICAL THIN FILM
- Publication number 20230305191
- Publication date Sep 28, 2023
- Tokai Optical Co., Ltd.
- Keiji NISHIMOTO
- G02 - OPTICS