Inventor

OHTSU YUTAKA

JP22 patents

⚠️ This page may combine multiple inventors who share the name “OHTSU YUTAKA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

OHTSU YUTAKA

SHISEIDO CO LTD

Modified powder

Cosmetic compositions containing modified powder or particulate material

Liquid chromatograph having a micro- and semi-micro column

Modified powder or particulate material

Modified silica gel in chromatography packing material

Packing material for liquid chromatography

Polymer packing material for liquid chromatography and a producing method thereof

Liquid chromatography and column packing material

Method for analyzing a sample by using a liquid chromatograph

Packing material for liquid chromatography

Column packing material with both hydrophobic and hydrophilic groups and process for production thereof

Packing material for liquid chromatography

Cation-exchanged clay mineral, packing material for chromatography using the same and method of producing the same

Packing material for column and process for production thereof

Polymer packing material for liquid chromatography and a producing method thereof

Column packing material and method for producing the same

CITIZEN WATCH CO LTD

Pocket sized television

Portable television set

Portable television set

Portable television set

Portable television set

Micro floppy disk drive