GaN Devices for Power Electronics: Patent Investigation

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???????????У?????????????????International Rectifier (IR), Infineon, Transphorm, Fujitsu, Efficient Power Conversion (EPC), Power Integrations, GaN Systems, Panasonic??Mitsubishi Electric?????????????????????GaN????????IP??????????????????????????????????IP?????????????????????????????????????????

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The authors

Scope of the report

Key features of the report

Objectives of the report

Methodology

Patent search strategy

Patent segmentation

Summary

Introduction
> GaN devices for power electronics
> GaN device market size split by applications markets
> GaN device market 200V vs. 600V

Noteworthy news

IP overview
> Time evolution of patent publications
> Power GaN patent assignees
> IP collaboration network
> Power GaN patent assignee: origin of GaN involvement
> Main power GaN players and related business model
> First appearance of key players in the power GaN IP arena
> Time evolution of patent publications
> Time evolution of granted patents
> Announced GaN transistor products
> Mapping of patenting activity
> Time evolution of patent applications by country
> Time evolution of granted patents by country
> Market domination results from previous IP lead period
> Patent litigations and market evolution

Patent segmentation
• Technology segments
> Patent family split by technology segment
> Time evolution of patent publications split by technology segment
> Main patent assignees by technology segment
> Matrix key IP players / technology segments
> Mapping of patent filings by technology segment
> Industrial supply-chain
• Technical challenges
> Main challenges for lateral GaN devices
> Main challenges for vertical GaN devices
> Main challenges for packaging
> Device parasitic
> Patent family split by technical challenges
> GaN power transistor: patent differentiation of key IP players
> matrix key IP players / technical challenges

Focus on key technology segments
• Power semiconductor devices
• Power components
For each segment:
> Ranking of patent assignees
> Time evolution of main patent assignees
> Degree of specialization of patent assignees
> Mapping of patenting activity
> Countries of priority patents for main patent assignees
> Countries of patent filing for main patent assignees
> Mapping of main current patent holders
> Mapping of main current patent applicants
> Power GaN IP players
> IP collaboration network
> Assignee citation network
> Summary of main assignees' patent portfolio
> Leadership of patent assignees
> Strength index of patent portfolios
> IP blocking potential of main patent assignees
> Potential future plaintiffs
> Granted patents near expiration

Focus on key power GaN IP players
> Timeline evolution of patent publications
> Mapping of granted patents
> Mapping of pending patents
> Geographical distribution of granted patents and pending patents
> Patent portfolio quantity/quality score
> Tentative estimation of market share of GaN device makers
> Financial investment to pure GaN players

Power GaN IP profile of nine key players
• Infineon/International Rectifier
• Efficient Power Conversion (EPC)
• Transphorm
• Fujitsu
• Power Integrations
• GaN Systems
• Panasonic
• Mitsubishi Electric
For each key player:
> Dynamics of their patent applications
> Key features of their patent portfolio
> IP strength
> Collaboration network
> Key patents
> Recent patented technologies
> Noteworthy news

Conclusions

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