Patents/Inventors

Hirotoshi Takahashi

OkazakiJP7 patents

6 Patents

US125719412026
Plastic Optical Product and Plastic Spectacle Lens
Tokai Optical Co., Ltd.
0 cites
US122029912025
Ink and Ink-jet Recording Method
Nippon Kayaku Kabushiki Kaisha
0 cites
US119661022024
Spectacle Lens and Spectacles
Tokai Optical Co., Ltd.
0 cites
US119387342024
Cleaning Solution and Inkjet Printer Cleaning Method
NIPPON KAYAKU KABUSHIKI KAISHA
0 cites
US117092922023
Optical Plastic Product, and Plastic Spectacle Lens and Spectacles
Tokai Optical Co., Ltd.
0 cites
US116689572023
Optical Product, Plastic Spectacle Lens, and Spectacles
TOKAI OPTICAL CO., Ltd
0 cites