Inventor
TATSU KUNIHIKO
JP6 patents
⚠️ This page may combine multiple inventors who share the name “TATSU KUNIHIKO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MATSUSHITA ELECTRIC WORKS LTD
4 patentsUS5031925AJul 16, 1991
Keyless chuck for rotary tool
MATSUSHITA ELECTRIC WORKS LTD98 citations94
US4695065ASep 22, 1987
Keyless chuck for rotary tool
MATSUSHITA ELECTRIC WORKS LTD116 citations94
US5964039AOct 12, 1999
Cutting method and saw tool
MATSUSHITA ELECTRIC WORKS LTD92 citations92
US5044233ASep 3, 1991
Depth adjuster for rotary tools such as screwdrivers
MATSUSHITA ELECTRIC WORKS LTD24 citations88