Inventor
NAKAMURA KENGO
JP17 patents
⚠️ This page may combine multiple inventors who share the name “NAKAMURA KENGO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TENGA CO LTD
6 patentsUSD898215SOct 6, 2020
Sperm sampler
TENGA CO LTD31 citations92
USD930847SSep 14, 2021
Sperm sampler driving device
TENGA CO LTD6 citations82
USD843593SMar 19, 2019
Massager
TENGA CO LTD16 citations78
USD981000SMar 14, 2023
Sperm sampler driving device
TENGA CO LTD5 citations74
US12256908B2Mar 25, 2025
Sperm collector driving device and sperm collection system
TENGA CO LTD1 citations63
US11051792B2Jul 6, 2021
Sperm sampler driving device
TENGA CO LTD1 citations60