KF

Kazuhiro Fujita

Ricoh Company: 102 patents #36 of 9,818Top 1%
SC Screen Holdings Co.: 13 patents #44 of 686Top 7%
Sumitomo Electric Industries: 8 patents #3,473 of 21,551Top 20%
TK Toda Kogyo: 5 patents #80 of 328Top 25%
AD Advantest: 3 patents #330 of 1,193Top 30%
SI Seiko Instruments: 3 patents #474 of 1,437Top 35%
CK Ckd: 3 patents #72 of 332Top 25%
PA Panasonic: 2 patents #9,678 of 21,108Top 50%
AC Asmo Co.: 2 patents #218 of 745Top 30%
HM Hitachi Maxell: 2 patents #441 of 1,211Top 40%
SC Shinko Electric Industries Co.: 2 patents #315 of 723Top 45%
Yamaha: 2 patents #899 of 2,001Top 45%
KP Kanzaki Specialty Papers: 1 patents #5 of 10Top 50%
UN Unknown: 1 patents #29,356 of 83,584Top 40%
HI Hitachi: 1 patents #17,742 of 28,497Top 65%
SE Seiko Epson: 1 patents #5,551 of 7,774Top 75%
📍 Kyoto, MA: #1 of 8 inventorsTop 15%
Overall (All Time): #6,198 of 4,157,543Top 1%
150
Patents All Time

Issued Patents All Time

Showing 1–25 of 150 patents

Patent #TitleCo-InventorsDate
12337289 Chemical liquid preparation device, and substrate processing device Hajime NISHIDE, Takashi Izuta, Takatoshi Hayashi, Katsuhiro Fukui, Koichi Okamoto +4 more 2025-06-24
12271104 Light-source device, image projection apparatus, and display device Yohei Takano, Makoto Hirakawa, Takashi Sasaki 2025-04-08
12152873 Laser irradiation apparatus, laser irradiation method, container, and containment body Rie Hirayama 2024-11-26
12114106 Light-source device and image forming apparatus including same Yohei Takano, Kasumi Nakamura 2024-10-08
12103322 Method and system for manufacturing container product Rie Hirayama, Teruhiro Tadokoro, Keiichi Serizawa 2024-10-01
12097997 Container and content containing body, and method for producing container and container producing apparatus Keiichi Serizawa, Masako Yoshii, Makoto Hino, Kazuhiro Akatsu 2024-09-24
12066752 Light-source device, image projection apparatus, and light-source optical system Kasumi Nakamura, Yohei Takano 2024-08-20
12064739 Chemical liquid preparation device, and substrate processing device Hajime NISHIDE, Takashi Izuta, Takatoshi Hayashi, Katsuhiro Fukui, Koichi Okamoto +4 more 2024-08-20
11953816 Wavelength conversion plate, light source device, and image projection apparatus Yohei Takano, Kasumi Nakamura 2024-04-09
11874592 Light source device and image projection apparatus Kasumi Nakamura, Yohei Takano, Takashi Sasaki, Shigeaki Imai, Makoto Hirakawa 2024-01-16
11823921 Substrate processing device and substrate processing method Michinori IWAO, Shuichi Yasuda, Noriyuki KIKUMOTO, Takahiro Yamaguchi 2023-11-21
11812201 Light guide optical device, light source device, and image projection apparatus Takashi Sasaki, Yohei Takano, Kasumi Nakamura, Makoto Hirakawa, Shigeaki Imai 2023-11-07
11802019 Post-processing device Kazuhisa Kawakami, Masaki MIYAZAWA, Shun Hara 2023-10-31
11768370 Projector, display system, and mobile object Yuuki Satoh 2023-09-26
11762272 Light-source device and image projection apparatus Kasumi Nakamura, Yohei Takano, Makoto Hirakawa 2023-09-19
11738408 Marking device, medium, container, and marking method Rie Hirayama, Keiichi Serizawa 2023-08-29
11720010 Light source device and projection device Yohei Takano, Makoto Hirakawa, Shigeaki Imai 2023-08-08
11677914 Light-source device and image forming apparatus including same Yohei Takano, Kasumi Nakamura 2023-06-13
11630288 Image projection apparatus Yohei Takano, Shigeaki Imai, Makoto Hirakawa 2023-04-18
11568839 Performance support device and air reed instrument Keita Arimoto, Masafumi Fuke, Akira Miki 2023-01-31
11537037 Light source device, image projection apparatus, and light source optical system Yohei Takano, Makoto Hirakawa, Shigeaki Imai 2022-12-27
11521865 Substrate processing method and substrate processing device Hiroki Tsujikawa, Masato Tanaka, Tsuyoshi Okumura, Atsuyasu Miura, Makoto Takaoka +4 more 2022-12-06
11506967 Light-source device and image projection apparatus Kasumi Nakamura, Yohei Takano, Makoto Hirakawa 2022-11-22
11439967 Chemical liquid preparation method, chemical liquid preparation device, and substrate processing device Hajime NISHIDE, Takashi Izuta, Takatoshi Hayashi, Katsuhiro Fukui, Koichi Okamoto +4 more 2022-09-13
11402737 Light source device and projector including a phosphor and a color-changing section Ikuo Maeda, Toshiharu Murai, Tatsuya Takahashi, Takehiro Nishimori 2022-08-02