KN

Kasumi Nakamura

Ricoh Company: 16 patents #1,360 of 9,818Top 15%
RE Resonac: 2 patents #101 of 474Top 25%
SK Showa Denko K.K.: 2 patents #639 of 1,736Top 40%
SE Seiko Epson: 1 patents #5,551 of 7,774Top 75%
SC Showa Denko Materials Co.: 1 patents #135 of 270Top 50%
Overall (All Time): #191,124 of 4,157,543Top 5%
22
Patents All Time

Issued Patents All Time

Showing 1–22 of 22 patents

Patent #TitleCo-InventorsDate
12130544 Light-source optical system, light-source device, and image display apparatus Yohei Takano, Makoto Hirakawa 2024-10-29
12114106 Light-source device and image forming apparatus including same Yohei Takano, Kazuhiro Fujita 2024-10-08
12077666 Resin composition, cured product, molding and method for producing same, and film capacitor and method for producing same Yasunori KAWABATA, Tatsuhito Fukuhara, Takahide Iwaya 2024-09-03
12072617 Light source optical system, light source device, light source unit, and image display apparatus Makoto Hirakawa, Yohei Takano 2024-08-27
12066752 Light-source device, image projection apparatus, and light-source optical system Kazuhiro Fujita, Yohei Takano 2024-08-20
11953816 Wavelength conversion plate, light source device, and image projection apparatus Kazuhiro Fujita, Yohei Takano 2024-04-09
11874592 Light source device and image projection apparatus Yohei Takano, Kazuhiro Fujita, Takashi Sasaki, Shigeaki Imai, Makoto Hirakawa 2024-01-16
11843723 Image projection apparatus Jun Mashimo, Momotaro YOSHIDA 2023-12-12
11829058 Light source device and image projection apparatus including a rod integrator and light guide Yohei Takano, Tatsuya Takahashi, Makoto Hirakawa 2023-11-28
11812201 Light guide optical device, light source device, and image projection apparatus Takashi Sasaki, Yohei Takano, Kazuhiro Fujita, Makoto Hirakawa, Shigeaki Imai 2023-11-07
11762272 Light-source device and image projection apparatus Yohei Takano, Makoto Hirakawa, Kazuhiro Fujita 2023-09-19
11682520 Film capacitor manufacturing method and case Tatsuhito Fukuhara, Yasunori KAWABATA, Takahide Iwaya 2023-06-20
11677914 Light-source device and image forming apparatus including same Yohei Takano, Kazuhiro Fujita 2023-06-13
11669004 Light source optical system, light source device, light source unit, and image display apparatus Makoto Hirakawa, Yohei Takano 2023-06-06
11506967 Light-source device and image projection apparatus Yohei Takano, Makoto Hirakawa, Kazuhiro Fujita 2022-11-22
11339284 Resin composition, cured product, formed body and manufacturing method thereof, and film capacitor and manufacturing method thereof Tatsuhito Fukuhara, Yasunori KAWABATA, Takahide Iwaya 2022-05-24
11314157 Light source optical system, light source device, and image projection apparatus Yohei Takano, Tatsuya Takahashi 2022-04-26
10942434 Light source optical system, light source device, and image projection apparatus Yohei Takano, Tatsuya Takahashi 2021-03-09
10725369 Light source device and image display apparatus Yohei Takano, Hirotoshi Nakayama, Naoki Nakamura 2020-07-28
6989054 Ink jet white ink and titanium dioxide slurry therefor Seiichi Tanabe, Kiyohiko Takemoto, Seiji Mochizuki, Yasunori Yamazaki, Toshimasa Mori +3 more 2006-01-24
6952025 Semiconductor light-emitting device Takayuki Kamemura, Kazuhiro Mitani, Teruyuki Kobayashi, Nobuo Uotani, Yuji Itoh 2005-10-04
6328947 Method for producing fine particles of metal oxide Ryuji Monden, Chozo Inoue, Masahiro Ohmori, Jun Tanaka, Tamotsu Yamashita +1 more 2001-12-11