KH

Kenji Hirai

NC Nippon Paper Industries Co.: 15 patents #7 of 535Top 2%
Sumitomo Electric Industries: 4 patents #6,367 of 21,551Top 30%
KT Kabushiki Kaisha Toshiba: 3 patents #8,011 of 21,451Top 40%
Mitsubishi Electric: 2 patents #11,187 of 25,717Top 45%
SH Shimadzu: 1 patents #1,152 of 2,007Top 60%
CC Chugoku Electric Power Co.: 1 patents #53 of 143Top 40%
Honda Motor Co.: 1 patents #12,035 of 21,052Top 60%
TO Toshiba: 1 patents #1,121 of 2,688Top 45%
IH Ihi: 1 patents #624 of 1,178Top 55%
Mazda Motor: 1 patents #2,563 of 4,755Top 55%
NE Ntt Electronics: 1 patents #160 of 358Top 45%
Overall (All Time): #127,439 of 4,157,543Top 4%
29
Patents All Time

Issued Patents All Time

Showing 1–25 of 29 patents

Patent #TitleCo-InventorsDate
12246549 Thermosensitive recording medium Kentaro Kawasaki, Yuka Murata, Yoshimi Midorikawa 2025-03-11
12053997 Thermosensitive recording medium Yoshimi Midorikawa, Yuka Murata, Kentaro Kawasaki 2024-08-06
11945249 Thermosensitive recording medium Kentaro Kawasaki, Yoshimi Midorikawa 2024-04-02
11912052 Thermosensitive recording medium Kentaro Kawasaki, Yuka Murata, Yoshimi Midorikawa 2024-02-27
11613850 Base paper for paper tube, and paper tube Junji Yamamoto, Youko Jyoumei 2023-03-28
10527189 Valve actuator for an electrically actuated poppet valve including a continuously variable transmission and a power free latching mechanism Kohei Taya, Hatsuo Mori, Yu Hirata, Masahiro Tanaka, Takeshi Takaki 2020-01-07
10464362 Thermosensitive recording medium Yasuaki Matsumori, Akihito Ogino 2019-11-05
10000083 Thermosensitive recording medium Akihito Ogino 2018-06-19
9001859 Ridge semiconductor laser and method for manufacturing a ridge semiconductor laser Atsuo Kozen, Yasuyoshi Ote, Jun-ichi Asaoka, Hiroshi Yokoyama 2015-04-07
8609582 Thermosensitive recording medium Akihito Ogino, Tsuyoshi Takagi 2013-12-17
8466085 Thermosensitive recording medium Aya Kato, Tatsuyuki Kurihara, Tatsuo Nagai, Yoshimi Midorikawa, Akihito Ogino 2013-06-18
8283284 Thermosensitive recording medium Akihito Ogino 2012-10-09
8247347 Thermosensitive recording medium Ken-ichi Takagi, Jun Makihara, Akihito Ogino, Makoto Hasegawa, Shin Suzuki +1 more 2012-08-21
7476642 Thermally sensitive recording medium Mizuho Shimoyama, Kaoru Hamada, Seiki Yoneshige 2009-01-13
7465694 Thermally sensitive recording medium Takashi Date, Mizuho Shimoyama, Koichi Yanai 2008-12-16
7387984 Thermally sensitive recording medium Seiki Yoneshige, Akihito Ogino, Mizuho Shimoyama, Junpei Natsui 2008-06-17
7312176 Thermally sensitive recording medium Kaoru Hamada, Takanori Otsuhata, Takashi Date, Junpei Natsui, Yoshihide Kimura +1 more 2007-12-25
7139735 Administration planning system Hiroaki Ohno, Isao Shiromaru 2006-11-21
6977462 Fluorescent lamp having phosphor layer Kenji Yamamoto, Shingo Matsuda, Shinichiro Ishitsuka 2005-12-20
6609048 Power amount control method Satoko Matsuo, Tadaaki Sakamoto, Naotaka Terashita, Yoshihiko Ozaki, Tadashi Ohi +2 more 2003-08-19
6568216 Method for manufacturing a discharge tube Takeshi Meguro, Masaji Sakamoto, Motomi Sakoda 2003-05-27
6515412 Fluorescent lamp Shinichiro Ishitsuka, Seido Tani, Yasuo Kuboki, Hiroaki Higashino 2003-02-04
6487878 Method for manufacturing a discharge tube Takeshi Meguro, Masaji Sakamoto, Motomi Sakoda 2002-12-03
5591406 Automatic exhaust gas analyzer for an internal combustion engine Akira Aono, Shinya Tsuneda, Hirokazu Matsumoto, Yuji Yamashita, Hisayoshi Tanaka +2 more 1997-01-07
5407023 Slip control system for vehicle Tetsuhiro Yamashita 1995-04-18