Masaru HIRANO

Follow

Person

Ibaraki, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Battery pack, electrical device using battery pack, and electrical...
- Patent number 11,824,169
- Issue date Nov 21, 2023
- KOKI HOLDINGS CO., LTD.
- Tomomasa Nishikawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Battery pack, and electric appliance using battery pack
- Patent number 11,757,293
- Issue date Sep 12, 2023
- KOKI HOLDINGS CO., LTD.
- Tomomasa Nishikawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electric device
- Patent number 11,577,376
- Issue date Feb 14, 2023
- KOKI HOLDINGS CO., LTD.
- Kengo Tamura
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Battery pack, electrical device using battery pack, and electrical...
- Patent number 11,205,820
- Issue date Dec 21, 2021
- KOKI HOLDINGS CO., LTD.
- Hiroyuki Hanawa
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
BATTERY PACK, ELECTRIC DEVICE USING BATTERY PACK, AND ELECTRIC DEVI...
- Publication number 20240055674
- Publication date Feb 15, 2024
- Koki Holdings Co., Ltd.
- Tomomasa NISHIKAWA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
ELECTRIC DEVICE
- Publication number 20200215679
- Publication date Jul 9, 2020
- Koki Holdings Co., Ltd.
- Kengo TAMURA
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Application
BATTERY PACK, ELECTRIC APPLIANCE USING BATTERY PACK, AND ELECTRIC A...
- Publication number 20190259984
- Publication date Aug 22, 2019
- Koki Holdings Co., Ltd.
- Tomomasa NISHIKAWA
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Application
BATTERY PACK, ELECTRICAL DEVICE USING BATTERY PACK, AND ELECTRICAL...
- Publication number 20190259985
- Publication date Aug 22, 2019
- Koki Holdings Co., Ltd.
- Hiroyuki HANAWA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
BATTERY PACK, AND ELECTRIC APPLIANCE USING BATTERY PACK
- Publication number 20190260209
- Publication date Aug 22, 2019
- Koki Holdings Co., Ltd.
- Tomomasa NISHIKAWA
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Application
CUTTING TOOL
- Publication number 20190193174
- Publication date Jun 27, 2019
- Koki Holdings Co., Ltd.
- Takuhiro MURAKAMI
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR