TU

Tomoko Utsumi

Ricoh Company: 16 patents #1,360 of 9,818Top 15%
TI Toyota Industries: 2 patents #605 of 1,610Top 40%
Overall (All Time): #251,560 of 4,157,543Top 7%
18
Patents All Time

Issued Patents All Time

Showing 1–18 of 18 patents

Patent #TitleCo-InventorsDate
11677836 Server apparatus, communication system and communication method Kota Ogasawara, Emi Machida 2023-06-13
7759036 Toner and production method thereof, image forming apparatus and image forming method, and process cartridge Satoshi Mochizuki, Hideki Sugiura, Tomoyuki Ichikawa, Minoru Masuda, Shinya Nakayama 2010-07-20
7749674 Toner, developer, image developer and image forming apparatus Hideki Sugiura, Satoshi Mochizuki, Yasuaki Iwamoto, Yasuo Asahina, Kazuhiko Umemura +3 more 2010-07-06
7642032 Toner, developer, image forming apparatus and image forming method Hideki Sugiura, Satoshi Mochizuki, Akihiro Kotsugai, Yasuo Asahina, Osamu Uchinokura +6 more 2010-01-05
7566521 Toner, developer, toner container, process cartridge, image forming apparatus, and image forming method Akihiro Kotsugai, Satoshi Mochizuki, Hisashi Nakajima, Yasuo Asahina, Osamu Uchinokura +8 more 2009-07-28
7521164 Toner, and, developer, toner container, process cartridge, image forming apparatus and image forming method Shinya Nakayama, Satoshi Mochizuki, Yasuaki Iwamoto, Yasuo Asahina, Akihiro Kotsugai +17 more 2009-04-21
7522857 Toner, image forming apparatus using the same and process cartridge Kumi Hasegawa, Mitsuo Aoki, Hyo Shu, Minoru Masuda 2009-04-21
7442484 Image forming method using toner Osamu Uchinokura, Akihiro Kotsugai, Yasuo Asahina, Tomoyuki Ichikawa, Shinya Nakayama +5 more 2008-10-28
7374851 Toner, and, developer, toner container, process cartridge, image forming apparatus and image forming method Shinya Nakayama, Satoshi Mochizuki, Yasuaki Iwamoto, Yasuo Asahina, Akihiro Kotsugai +17 more 2008-05-20
7368212 Toner for developing electrostatic image, developer, image forming apparatus, process for forming image, process cartridge and process for measuring porosity of toner Hideki Sugiura, Satoshi Mochizuki, Yasuaki Iwamoto, Yasuo Asahina, Akihiro Kotsugai +4 more 2008-05-06
7318989 Toner, developer, toner container, process cartridge, image forming apparatus, and image forming method Akihiro Kotsugai, Satoshi Mochizuki, Hisashi Nakajima, Yasuo Asahina, Osamu Uchinokura +8 more 2008-01-15
7288353 Toner, developer, image developer and image forming apparatus Hideki Sugiura, Satoshi Mochizuki, Yasuaki Iwamoto, Yasuo Asahina, Kazuhiko Umemura +3 more 2007-10-30
7261989 Toner for developing electrostatic images, developer, image forming method, and image forming apparatus Hideki Sugiura, Satoshi Mochizuki, Yasuaki Iwamoto, Yasuo Asahina, Hisashi Nakajima +4 more 2007-08-28
7258959 Toner for electrophotography and image forming apparatus Shinya Nakayama, Satoshi Mochizuki, Yasuaki Iwamoto, Yasuo Asahina, Kazuhiko Umemura +7 more 2007-08-21
7172844 Toner for electrophotography, and image forming process, process cartridge and image forming apparatus using the same Kazuhiko Umemura, Satoshi Mochizuki, Yasuaki Iwamoto, Yasuo Asahina, Hideki Sugiura +3 more 2007-02-06
7169525 Toner, developer, image forming apparatus, process cartridge and image forming process Hideki Sugiura, Satoshi Mochizuki, Yasuaki Iwamoto, Yasuo Asahina, Kazuhiko Umemura +3 more 2007-01-30
7122958 Light-emitting apparatus and method for forming the same Tetsuya Utsumi, Masaaki Arima, Masayuki Harada, Mari Funada 2006-10-17
7071617 Light-emitting apparatus and method for forming the same Tetsuya Utsumi, Masaaki Arima, Masayuki Harada, Mari Funada 2006-07-04