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Masaki Kato — 333 Patents

INInphi: 58 patents #2 of 228Top 1%

Ricoh Company: 48 patents #249 of 9,818Top 3%

NINikon: 41 patents #58 of 2,493Top 3%

INInfinera: 37 patents #16 of 407Top 4%

Mitsubishi Electric: 31 patents #439 of 25,717Top 2%

KCKuraray Co.: 24 patents #19 of 1,827Top 2%

Disney: 18 patents #375 of 6,686Top 6%

Toyota: 16 patents #1,629 of 26,838Top 7%

MCMitsumi Electric Co.: 7 patents #122 of 935Top 15%

FCFuji Machine Mfg. Co.: 6 patents #24 of 245Top 10%

Aisin Seiki Kabushiki Kaisha: 4 patents #844 of 3,782Top 25%

UKUshio Denki Kabushiki Kaisha: 3 patents #148 of 583Top 30%

KSKyocera Document Solutions: 3 patents #862 of 1,545Top 60%

KMKyocera Mita: 3 patents #214 of 763Top 30%

Kabushiki Kaisha Toshiba: 3 patents #8,069 of 21,451Top 40%

TCTsubakimoto Chain: 3 patents #140 of 593Top 25%

Panasonic: 3 patents #7,659 of 21,108Top 40%

KGKuraray Europe Gmbh: 2 patents #16 of 80Top 20%

SESeiko Epson: 2 patents #4,555 of 7,774Top 60%

NINec Infrontia: 2 patents #62 of 197Top 35%

HCHokuriku Electric Industry Co.: 2 patents #29 of 104Top 30%

NINidec: 2 patents #402 of 976Top 45%

Nec: 2 patents #5,544 of 14,502Top 40%

TITexas Instruments: 2 patents #5,266 of 12,488Top 45%

FUFuji: 2 patents #192 of 422Top 50%

Nissan Motor Co.: 2 patents #3,090 of 8,689Top 40%

SCScreen Holdings Co.: 1 patents #452 of 686Top 70%

MMMitsubishi Mining: 1 patents #886 of 2,247Top 40%

NTNtn: 1 patents #814 of 1,364Top 60%

ETEnergetiq Technology: 1 patents #22 of 35Top 65%

Kioxia: 1 patents #1,054 of 1,813Top 60%

ATAgency Of Industrial Science And Technology: 1 patents #568 of 1,778Top 35%

TDThe Doshisha: 1 patents #48 of 175Top 30%

The Yokohama Rubber Co.: 1 patents #666 of 1,136Top 60%

Yamaha Motor: 1 patents #1,283 of 2,310Top 60%

ACAlps Electric Co.: 1 patents #1,191 of 2,177Top 55%

Palo Alto, CA: #8 of 9,675 inventorsTop 1%

California: #183 of 386,348 inventorsTop 1%

Overall (All Time): #1,008 of 4,157,543Top 1%

333 Patents All Time

Masaki Kato has been granted 333 US patents while listed as an inventor at Inphi. The first was granted in 1982 and the most recent in October 2025. Masaki Kato ranks #1,008 of 4,157,543 US inventors in our database (top 0.02%). Patent records list Masaki Kato in Palo Alto, CA, US.

Patents per Year

Issued Patents All Time

Showing 1–25 of 333 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
12437359	Information processing device, control method, program, and storage medium	Masami Suzuki	2025-10-07
12429718	Ultra-high bandwidth multi-junction silicon optical modulator	Samira Karimelahi	2025-09-30
12424629	Negative electrode	Koji Takahata	2025-09-23
12415361	Liquid ejection device	Hirokazu Sekino, Yuji Saito	2025-09-16
12376302	Semiconductor memory device and method for manufacturing semiconductor memory device	Saho Ohsawa, Kenichi Fujii, Takashi Fukushima, Hiroyuki OHTORI, Kaihei KATOU +2 more	2025-07-29
12360406	Multi-doped slab silicon optical modulator	Samira Karimelahi	2025-07-15
12355033	All-solid-state battery	Sho Ando, Akira Kiyama, Koshiro YONEDA, Kensaku Miyazawa, Kunimitsu YAMAMOTO	2025-07-08
12336308	Germanium-on-silicon avalanche photodetector in silicon photonics platform, method of making the same	Yu Li	2025-06-17
12283997	Reconfigurable optical receiver for use with multiple modulation techniques	Tonmoy Shankar Mukherjee, Gary Mak, Lenin Patra, Radhakrishnan L. Nagarajan	2025-04-22
12248253	Optical device, exposure device, method for manufacturing flat panel display, and method for manufacturing device	Yasushi Mizuno	2025-03-11
12228808	Semiconductor-based optical modulator	Hamed Pishvaibazargani	2025-02-18
12153251	Silicon photonics integration circuit	Xiaoguang Tu, Yu Li	2024-11-26	$158,968,000
11897496	Vehicle warning system	Yasuhiro Miura, Tomohiro Inada, Hitoshi Muraki	2024-02-13	$721,000
11899372	Optical device, exposure device, method for manufacturing flat panel display, and method for manufacturing device	Yasushi Mizuno	2024-02-13	$18,546,000
11858275	Inkjet printing apparatus, and a method of maintaining a filter thereof	Tamio Fukui, Yuichi Nagase	2024-01-02
11828995	Silicon photonics based fiber coupler	Radhakrishnan L. Nagarajan	2023-11-28	$61,297,000
11787928	Polyvinyl alcohol compositions having improved particle size distribution	Ghebrehiwet Ghebremeskel, Keisuke Morikawa, Richard Cazares	2023-10-17
11784463	Silicon photonics based tunable laser	Radhakrishnan L. Nagarajan, Nourhan Eid, Kenneth Wong	2023-10-10	$142,805,000
11777101	Non-aqueous electrolyte secondary battery	—	2023-10-03	$618,000
11740406	Circuit for detecting low-power optical data signal	Jie Lin, Bruno Tourette, Brian Taylor	2023-08-29	$102,494,000
11733300	Switch status detection device that detects on/off status of switch, and image forming apparatus	—	2023-08-22
11731513	Display control device, display system, display method, and program	—	2023-08-22	$519,000
11686991	Silicon optical modulator, method for making the same	Xiaoguang Tu, Jie Lin	2023-06-27	$103,381,000
11662521	TE polarizer based on SOI platform	Jie Lin	2023-05-30	$131,597,000
11644305	Temperature insensitive distributed strain monitoring apparatus and method	Chunshu Zhang, Jie Lin	2023-05-09	$86,573,000