Inventor
KOHEI FUJII
Inventor
JP
Overview
Patents· 7 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H03Fprimary
H03FAmplifiers13%
A01KAnimal husbandry6%
A61BDiagnosis6%
A61MDevices for introducing media into, or onto, the body6%
B01DSeparation6%
B29LIndexing scheme associated with subclass b29c, relating to particular articles6%
F01LCyclically operating valves for machines or engines6%
F01NGas-flow silencers or exhaust apparatus for machines or engines in general6%
F02DControlling combustion engines6%
F02MSupplying combustion engines in general with combustible mixtures or constituents thereof6%
PatentTitleYear
12,564,814Hollow-fiber membrane module unit202612,494,754Symmetrical common gate direct current bias network for stacked field effect transmitter distributed high-power amplifier, related apparatuses and related methods202512,424,678Battery pack202512,113,484High voltage stacked transistor amplifier202411,826,094Method of manufacturing catheter and catheter manufactured by the method2023D0964559Handle for catheters202211,156,170Control device for internal combustion engine2021Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2021Patents assigned to AISIN SEIKI (1)· patent assignee history
2021–2026Based in JP· patent location history
2022–2026Patents assigned to TORAY INDUSTRIES (3)· patent assignee history
2024–2025Patents assigned to MACOM TECH SOLUTIONS HOLDINGS INC (2)· patent assignee history
2024–2025Based in US· patent location history
2025Patents assigned to TOYODA GOSEI KK (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| TORAY INDUSTRIES | 3 | 2022–2026 |
| MACOM TECH SOLUTIONS HOLDINGS INC | 2 | 2024–2025 |
| AISIN SEIKI | 1 | 2021 |
| TOYODA GOSEI KK | 1 | 2025 |
Locations
| Location | Patents | Span |
|---|---|---|
| JP | 5 | 2021–2026 |
| US | 2 | 2024–2025 |