Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Water-soluble boron containing impurity reduced hexagonally crystalline boron nitride

Water-soluble boron containing impurity reduced hexagonally crystalline boron nitride

US Patent 4997633 · Granted Mar 5, 1991

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Positive electrode active material for nonaqueous electrolyte secondary batterie2025
Positive electrode active material for nonaqueous electrolyte secondary batterie2025
Non-aqueous electrolyte secondary battery2025
Positive electrode active material for non-aqueous electrolyte secondary battery2025
Non-aqueous electrolyte secondary battery2025
Non-aqueous electrolyte secondary battery2025
Non-aqueous electrolyte secondary battery2025
Positive electrode active material for nonaqueous electrolyte secondary batterie2025
Positive electrode active material for nonaqueous electrolyte secondary batterie2025
Positive electrode active material for nonaqueous electrolyte secondary batterie2025
Positive electrode active material for non-aqueous electrolyte secondary battery2024
Positive electrode active material for non-aqueous electrolyte secondary cell, a2024