Prosecution Insights
Last updated: October 25, 2026

Semiconductors, Circuits & Optics: Companies

4,742 companies with pending patent office actions in this technology area (USPTO Tech Center 2800) • 41,861 pending office actions combined

Browse by technology area: Biotechnology & Pharmaceuticals • Chemistry & Materials • Computing & Software • Networking & Security • Communications • Semiconductors, Circuits & Optics • Transportation, E-Commerce & Mechanical Systems • Medical Devices & Mechanical Engineering
CompanyPending OAsShare of portfolio in this area
Samsung Electronics Co., Ltd.3,30732%
Taiwan Semiconductor Manufacturing Company, Ltd.1,55387%
Canon Inc.1,37427%
Intel Corporation1,20139%
Samsung Display Co., Ltd.1,18257%
Sony Group Corporation1,17422%
International Business Machines Corporation1,15723%
Robert Bosch GmbH75121%
Micron Technology Inc.61240%
Applied Materials Inc.54639%
Texas Instruments Incorporated51961%
BOE Technology Group Co., Ltd.47955%
LG Display Co., Ltd.45165%
Murata Manufacturing Co., Ltd.43860%
Mitsubishi Electric Corporation41132%
Seiko Epson Corporation40544%
Kabushiki Kaisha Toshiba39430%
Tokyo Electron Limited29424%
SK hynix Inc.28962%
Saudi Arabian Oil Company26722%
Denso Corporation25325%
Siemens Aktiengesellschaft25123%
Samsung Electro-Mechanics Co., Ltd.25181%
Siemens Healthineers AG24924%
MILWAUKEE ELECTRIC TOOL Corporation23923%
Kyocera Corporation22830%
Meta Platforms Technologies LLC22431%
Sumitomo Electric Industries Ltd.22267%
Semiconductor Energy Laboratory Co., Ltd.20247%
Ricoh Company, Ltd.19923%
STMicroelectronics N.V.19866%
Corning Incorporated19332%
Infineon Technologies AG19362%
KIOXIA Corporation19065%
Halliburton Energy Services Inc.17826%
ASML Holding N.V.17463%
Konica Minolta Inc.16422%
TDK Corporation15859%
Hitachi High-Tech Corporation15730%
Lam Research Corporation15629%
Yangtze Memory Technologies Co., Ltd.15574%
ABB Schweiz AG15129%
Rohm Co., Ltd.15095%
Caterpillar Inc.14522%
ASM IP Holding B.V.14122%
Kyocera Document Solutions Inc.14034%
Brother Kogyo Kabushiki Kaisha13846%
NXP Semiconductors N.V.13328%
LG Innotek Co., Ltd.13163%
Innolux Corporation13075%
Skyworks Solutions Inc.12856%
Valeo S.A.12538%
NIKON Corporation12338%
SanDisk Technologies Inc.12173%
Industrial Technology Research Institute11927%
NANYA TECHNOLOGY Corporation11890%
United Microelectronics Corp.11387%
Commissariat à l'Énergie Atomique et aux Énergies Alternatives10448%
Signify Holding B.V.10451%
Fuji Electric Co., Ltd.10190%
Amd10122%
SHIMADZU Corporation10134%
Rolls-Royce plc10020%
Ams-osram AG9861%
Emerson Electric Co.9739%
Yazaki Corporation9579%
Analog Devices Inc.9352%
Casio Computer Co., Ltd.9242%
Hitachi Astemo Ltd.8924%
TE Connectivity Ltd.8977%
Schlumberger Technology Corporation8624%
Kokusai Electric Corporation8628%
Aktiebolaget SKF8025%
Microchip Technology Incorporated8046%
Dai Nippon Printing Co., Ltd.7826%
Audi AG7728%
Magic Leap Inc.7622%
Zebra Technologies Corporation7521%
Realtek Semiconductor Corporation7533%
Aptiv Technologies AG7542%
DISCO Corporation7520%
Schaeffler Technologies AG & Co. KG7435%
Yokogawa Electric Corporation7227%
Schneider Electric SE7244%
Rivian Ip Holdings LLC7127%
NICHIA Corporation7058%
Wolfspeed Inc.6993%
Carl Zeiss AG6945%
Delta Electronics Inc.6851%
Shanghai United Imaging Healthcare Co., Ltd.6632%
KLA Corporation6562%
HAMILTON SUNDSTRAND Corporation6433%
Magnolia White Corporation6283%
Lutron Technology Company LLC6033%
Hamamatsu Photonics K.K.6065%
BAE Systems plc5924%
Gs Yuasa International Ltd.5926%
Avago Technologies International Sales Pte. Limited5838%
Lodestar Licensing Group LLC5632%
RAYTHEON Company5629%
Carl Zeiss SMT GmbH5665%
Hon Hai Precision Industry Co., Ltd.5555%
Essilor International5438%
Semiconductor Components Industries LLC5281%
Qorvo US Inc.5260%
Minebea Mitsumi Inc.5278%
Japan Display Inc.5172%
Hoya Corporation5022%
Furukawa Electric Co., Ltd.4943%
POSTECH Research and Business Development Foundation4929%
ISUZU MOTORS Limited4826%
KONE Corporation4766%
Coretronic Corporation4682%
Seoul Viosys Co., Ltd.4691%
National University of Singapore4522%
Nexperia B.V.4596%
Siliconware Precision Industries Co., Ltd.4598%
Otis Elevator Company4440%
Schott AG4424%
Iucf-hyu (industry-university Cooperation Foundation Hanyang University)4428%
Rohde & Schwarz GmbH & Co. KG4440%
Dh Technologies Development Pte. Ltd.4468%
Alps Alpine Co., Ltd.4348%
Proterial Ltd.4343%
Baker Hughes Holdings LLC4231%
Yamaha Corporation4249%
Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd.4264%
Toyoda Gosei Co., Ltd.4136%
Nhk Spring Co., Ltd.4120%
Outdoor Wireless Networks LLC4141%
Korea Electronics Technology Institute4127%
Sharp Display Technology Corporation3963%
Zenni Optical Inc.3959%
Globalfoundries U S Inc.3995%
Lumentum Operations LLC3874%
II-VI Delaware Inc.3741%
Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd.3679%
Actutek Corporation3681%
Inventio AG3647%
Siemens Energy AG3622%
BorgWarner Inc.3676%
Hubbell Incorporated3654%
Renesas Electronics Corporation3688%
Viavi Solutions Inc.3656%
Lumileds LLC3689%
TOPCON Corporation3534%
Cirrus Logic International Semiconductor Ltd.3563%
Toyota Group3421%
Western Digital Technologies Inc.3438%
Marvell Asia Pte. Ltd.3435%
Winbond Electronics Corp.3381%
Tektronix Inc.3262%
Imec Vzw3266%
FEI Company3259%
Glory Ltd.3120%
MAZDA MOTOR Corporation3126%
AAC Technologies Holdings Inc.3132%
AUO Corporation3174%
National Taiwan University3148%
NIDEC Corporation3072%
Nuvoton Technology Corporation2948%
Katholieke Universiteit Leuven2941%
Largan Precision Co., Ltd.29100%
IHI Corporation2821%
Beckman Coulter Inc.2824%
CommScope Technologies LLC2885%
Transportation IP Holdings LLC2826%
Toto Ltd.2822%
Taiyo Yuden Co., Ltd.2881%
Xerox Corporation2825%
Advanced Semiconductor Engineering Inc.2886%
Hella GmbH & Co. KGaA2758%
Koito Manufacturing Co., Ltd.2762%
The Hong Kong University of Science and Technology2720%
Rambus Inc.2638%
Nederlandse Organisatie Voor Toegepast-natuurwetenschappelijk Onderzoek Tno2623%
Sungrow Power Supply Co., Ltd.2568%
DEXerials Corporation2544%
Resonac Holdings Corporation2520%
COMMISSARIAT À L'ÉNERGIE ATOMIQUE ET AUX ÉNERGIES ALTERNATIVES250%
The Trustees Of Columbia University In The City Of New York City1100%
Korea Advanced Institute Of Science And Technology (Kaist)1100%

Plus 4,560 more companies with smaller portfolios in this area — find them via the full companies directory.

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