CK

Chikashi Kuriya

Sharp Kabushiki Kaisha: 16 patents #1,028 of 10,731Top 10%
Overall (All Time): #303,295 of 4,157,543Top 8%
16
Patents All Time

Issued Patents All Time

Showing 1–16 of 16 patents

Patent #TitleCo-InventorsDate
D344164 Vacuum cleaner 1994-02-08
D344165 Vacuum cleaner 1994-02-08
D335556 Vacuum cleaner 1993-05-11
D327145 Vacuum cleaner 1992-06-16
D325273 Vacuum cleaner Matafumi Ikeda 1992-04-07
D315431 Vacuum cleaner Matafumi Ikeda, Mika Nakajima 1991-03-12
D311613 Vacuum cleaner 1990-10-23
D307658 Vacuum cleaner Matafumi Ikeda, Mika Nakajima 1990-05-01
D305373 Vacuum cleaner Sachio Yamamoto 1990-01-02
D303025 Portable vacuum cleaner Sachio Yamamoto, Mika Nakajima 1989-08-22
D302876 Vacuum cleaner Matafumi Ikeda, Mika Nakajima 1989-08-15
D301649 Vacuum cleaner Sachio Yamamoto 1989-06-13
D301646 Vacuum cleaner Sachio Yamamoto 1989-06-13
D300379 Vacuum cleaner Sachio Yamamoto 1989-03-21
D298876 Vacuum cleaner nozzle Sachio Yamamoto 1988-12-06
D296944 Vacuum cleaner Sachio Yamamoto 1988-07-26