Yasuharu Yamada

7 related patents across 7 interactive lens diagrams.

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Olympus Imaging Corporation(3)

JP 2013-186458 A2013

Assignee: Olympus Imaging Corporation

Inventors: Yasuharu Yamada, Daichi Murakami, Yuki Kubota

OLYMPUS M.ZUIKO DIGITAL 17mm f/1.8— 17mm f/1.8, Patent f = 17.30 mm / FNO = 1.716

US 2014/0139720 A12014

Assignee: Olympus Imaging Corporation

Inventors: Yasuji Ogata, Yasuharu Yamada, Akiyoshi Tochigi, Keitaro Yokoyama

OLYMPUS M.ZUIKO DIGITAL ED 12-40mm f/2.8 PRO— 14 ELEMENTS / 9 GROUPS, f = 12.25–39.10 mm

US 8,755,132 B22014

Assignee: Olympus Imaging Corporation

Inventors: Yasuharu Yamada, Hirohiko Kimata

OLYMPUS M.ZUIKO DIGITAL 17mm f/2.8— 6 elements / 4 groups, f = 17 mm (design 17.30 mm)

Tamron Co., Ltd.(3)

US 6,437,923 B12002

Assignee: Tamron Co., Ltd.

Inventors: Yasuharu Yamada

TAMRON AF 28-200mm SUPER XR f/3.8-5.6 Aspherical [IF] MACRO— 28-200mm marketing / 29.07-193.0mm patent design, 15 PHYSICAL LENS PIECES / 14 GROUPS

JP 2004-101739 A2004

Assignee: Tamron Co., Ltd.

Inventors: Yasuharu Yamada

MINOLTA AF 28-75mm f/2.8 (D)— 28-75mm f/2.8, 16 elements / 14 groups

US 7,075,731 B12006

Assignee: Tamron Co., Ltd.

Inventors: Yasuharu Yamada

TAMRON SP AF 28-75mm f/2.8 XR Di LD Aspherical [IF] MACRO— 16 ELEMENTS / 14 GROUPS, DESIGN f = 28.87-72.65 mm

No named assignee or applicant(1)

US 2003/0156333 A12003

Inventors: Yasuharu Yamada

TAMRON AF 28-300mm f/3.5-6.3 XR Di LD Aspherical [IF] MACRO— 28-300mm marketed / 28.9958-289.5284mm modeled, f/3.5-6.3 marketed / f/3.5000-6.5122 modeled wide-open

Yasuharu Yamada

Olympus Imaging Corporation(3)

JP 2013-186458 A↗2013

US 2014/0139720 A1↗2014

US 8,755,132 B2↗2014

Tamron Co., Ltd.(3)

US 6,437,923 B1↗2002

JP 2004-101739 A↗2004

US 7,075,731 B1↗2006

No named assignee or applicant(1)

US 2003/0156333 A1↗2003

JP 2013-186458 A2013

US 2014/0139720 A12014

US 8,755,132 B22014

US 6,437,923 B12002

JP 2004-101739 A2004

US 7,075,731 B12006

US 2003/0156333 A12003