HY

Hiroaki Yamamoto

Sumitomo Electric Industries: 60 patents #113 of 21,551Top 1%
FU Fujifilm: 50 patents #68 of 4,519Top 2%
NL Nippon Sheet Glass Company, Limited: 27 patents #12 of 836Top 2%
AC Asmo Co.: 26 patents #6 of 745Top 1%
DI Daicel Chemical Industries: 24 patents #16 of 893Top 2%
PA Panasonic: 19 patents #1,080 of 21,108Top 6%
Mitsubishi Electric: 19 patents #1,108 of 25,717Top 5%
GC Green Tokai Co.: 16 patents #1 of 14Top 8%
SK Suzuki Jidosha Kogyo: 16 patents #1 of 121Top 1%
FA Fanuc: 11 patents #257 of 1,735Top 15%
FI Fujifilm Business Innovation: 8 patents #1,176 of 5,238Top 25%
Schlumberger Technology: 8 patents #785 of 7,293Top 15%
Sharp Kabushiki Kaisha: 6 patents #2,623 of 10,731Top 25%
KE Keihin: 5 patents #37 of 596Top 7%
DA Daicel: 4 patents #85 of 523Top 20%
KC Komatsu Electronic Metals Co.: 4 patents #26 of 160Top 20%
SM Suzuki Motor: 4 patents #123 of 1,209Top 15%
UN Unknown: 4 patents #4,220 of 83,584Top 6%
Fujitsu Limited: 4 patents #7,093 of 24,456Top 30%
AI Aisin: 3 patents #81 of 1,000Top 9%
Nichia: 3 patents #567 of 1,531Top 40%
Ngk Spark Plug Co.: 2 patents #703 of 1,594Top 45%
OF Otsuka Pharmaceutical Factory: 2 patents #79 of 354Top 25%
NE Nec: 2 patents #5,510 of 14,502Top 40%
SC Senju Pharmaceutical Co.: 2 patents #78 of 231Top 35%
MK Mitsubishi Denki K.K.: 2 patents #70 of 577Top 15%
SC Sumitomo Chemical: 2 patents #1,792 of 4,033Top 45%
Kioxia: 2 patents #693 of 1,813Top 40%
Honda Motor Co.: 2 patents #8,527 of 21,052Top 45%
TC Taoka Chemical Co.: 2 patents #14 of 69Top 25%
TU Tohoku University: 2 patents #330 of 1,680Top 20%
TC Tokai Metals Co.: 2 patents #4 of 8Top 50%
SO Sony: 2 patents #12,963 of 25,231Top 55%
HI Hitachi: 1 patents #17,742 of 28,497Top 65%
NS Nippon Steel: 1 patents #2,111 of 4,423Top 50%
Nissan Motor Co.: 1 patents #4,519 of 8,689Top 55%
ND Ntt Docomo: 1 patents #1,030 of 1,706Top 65%
KT Kabushiki Kaisha Toshiba: 1 patents #13,537 of 21,451Top 65%
T& Tsumura &: 1 patents #52 of 128Top 45%
SE Seiko Epson: 1 patents #5,551 of 7,774Top 75%
TI Takeda Chemical Industries: 1 patents #745 of 1,420Top 55%
HK Honda Giken Koygo: 1 patents #31 of 356Top 9%
SC Shin-Kobe Electric Machinery Co.: 1 patents #92 of 199Top 50%
SC Stanley Electric Co.: 1 patents #550 of 1,072Top 55%
HD Hitachi Denshi: 1 patents #119 of 275Top 45%
📍 Tokyo, OH: #1 of 59 inventorsTop 2%
Overall (All Time): #996 of 4,157,543Top 1%
334
Patents All Time

Issued Patents All Time

Showing 276–300 of 334 patents

Patent #TitleCo-InventorsDate
5940001 Transmission and reception system for controlling locking/unlocking operation of key Yoshisada Okayasu, Keiji Morise 1999-08-17
5932048 Method of fabricating direct-bonded semiconductor wafers Hiroshi Furukawa, Hirotaka Kato, Kazuaki Fujimoto 1999-08-03
5919282 Process for vacuum refining molten steel and apparatus thereof Yosuke Hoshijima, Kazuo Oonuki, Kazuhisa Fukuda, Masao Iguchi, Hidekazu Kakizoe +2 more 1999-07-06
5916781 Method for producing D-tryptophan Kazuya Mitsuhashi, Akinobu Matsuyama, Fusao Tomita 1999-06-29
5875049 Amplifier for burst signal and optical receiving circuit Hiroaki Asano, Katsuyuki Fujito 1999-02-23
5863829 Process for fabricating SOI substrate Yuichi Nakayoshi, Akihiro Ishii 1999-01-26
5850303 Optical transmission system and optical transmission device used therefor Hiroyuki Sasai, Susumu Morikura, Katsuyuki Fujito 1998-12-15
5835505 Semiconductor integrated circuit and system incorporating the same Yoshito Nishimichi, Satoshi Ogura, Shinji Ozaki, Seiji Tokunoh, Akira Miyoshi +1 more 1998-11-10
5829021 System for controlling operating timing of a cache memory Shinji Ozaki, Yoshito Nishimichi 1998-10-27
5783287 Method of insert molding plastic parts to provide covered edge surfaces and plastic parts made thereby William H. Hardgrove 1998-07-21
5763236 Method for producing ketone or aldehyde using an alcohol dehydrogenase of Candida Parapsilosis Tomoko Kojima, Naoki Kawada, Akinobu Matsuyama 1998-06-09
5759477 Method of making fused film plastic parts 1998-06-02
5757754 Holographic optical head Tetsuo Saimi, Seiji Nishino, Yoshiaki Komma, Hidenori Wada 1998-05-26
5754813 Data processor Shinji Ozaki, Yoshito Nishimichi 1998-05-19
5746962 Method of insert molding plastic parts to provide covered edge surfaces 1998-05-05
5748599 Holographic optical device Tetsuo Saimi, Seiji Nishino, Yoshiaki Komma, Hidenori Wada 1998-05-05
5737296 Focus and tracking error detection by using plus and minus first order diffracted light Yoshiaki Komma, Ken'ichi Kasazumi, Seiji Nishino 1998-04-07
5729281 Catv system in which chanel selection signal is transmitted from the subscriber location Kuniaki Utsumi, Hiroyuki Sasai, Manabu Tanabe, Katsuyuki Fujito 1998-03-17
5693365 Method for forming water-repellent film Toyoyuki Teranishi, Satoshi Shiiki, Kazuaki Takada, Kazuo Tojima, Takashi Itoh 1997-12-02
5687153 Optical head device and optical information apparatus using a lithium niobate hologram with divisional areas to diffract light to corresponding photo detector areas Yoshiaki Komma, Seiji Nishino, Shin-ichi Kadowaki, Makoto Kato, Tetsuo Saimi 1997-11-11
5644389 Method for measuring distance between reflection points along light transmission line and reflectance thereof Kuniaki Utsumi, Katsuyuki Fujito 1997-07-01
5627812 Optical head apparatus and diffraction element having at least two diffractive surfaces Seiji Nishino 1997-05-06
5604359 Parasitic PNP transistor with crystal defect layer in the emitter region Kazushi Naruse, Toshio Naka, Katsuki Tsuda 1997-02-18
5599608 Method of insert molding plastic parts to provide covered edge surfaces and plastic parts made thereby William H. Hardgrove 1997-02-04
5539657 Picture image distributing apparatus provided within passenger moving vehicle Kuniaki Utsumi, Hiroaki Nakata, Susumu Morikura, Kazuki Maeda, Masaru Fuse 1996-07-23